Home / 15,689.10-23,533.65-6,455.10

Finding the Fourth Proportional to 15,689.10, 23,533.65 and 6,455.10

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Solution

The fourth proportional to 15,689.10, 23,533.65 and 6,455.10 is: 9,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,689.10 : 23,533.65 = 6,455.10 : x
  2. Step 2: Convert to fraction form
    15,689.10/23,533.65 = 6,455.10/x
  3. Step 3: Cross multiply
    15,689.10x = 23,533.65 × 6,455.10
  4. Step 4: Simplify right side
    15,689.10x = 151,912,064.12
  5. Step 5: Solve for x
    x = 151,912,064.12/15,689.10
  6. Step 6: Final answer
    x = 9,682.65

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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.