Home / 15,404.10-23,106.15-12,998.40

Finding the Fourth Proportional to 15,404.10, 23,106.15 and 12,998.40

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Solution

The fourth proportional to 15,404.10, 23,106.15 and 12,998.40 is: 19,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404.10 : 23,106.15 = 12,998.40 : x
  2. Step 2: Convert to fraction form
    15,404.10/23,106.15 = 12,998.40/x
  3. Step 3: Cross multiply
    15,404.10x = 23,106.15 × 12,998.40
  4. Step 4: Simplify right side
    15,404.10x = 300,342,980.16
  5. Step 5: Solve for x
    x = 300,342,980.16/15,404.10
  6. Step 6: Final answer
    x = 19,497.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.