Home / 15,429.41-23,145.19-7,636.13

Finding the Fourth Proportional to 15,429.41, 23,145.19 and 7,636.13

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Solution

The fourth proportional to 15,429.41, 23,145.19 and 7,636.13 is: 11,454.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.41 : 23,145.19 = 7,636.13 : x
  2. Step 2: Convert to fraction form
    15,429.41/23,145.19 = 7,636.13/x
  3. Step 3: Cross multiply
    15,429.41x = 23,145.19 × 7,636.13
  4. Step 4: Simplify right side
    15,429.41x = 176,739,544.90
  5. Step 5: Solve for x
    x = 176,739,544.90/15,429.41
  6. Step 6: Final answer
    x = 11,454.72

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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.