Home / 15,656.85-23,463.29-8,640.14

Finding the Fourth Proportional to 15,656.85, 23,463.29 and 8,640.14

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Solution

The fourth proportional to 15,656.85, 23,463.29 and 8,640.14 is: 12,948.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656.85 : 23,463.29 = 8,640.14 : x
  2. Step 2: Convert to fraction form
    15,656.85/23,463.29 = 8,640.14/x
  3. Step 3: Cross multiply
    15,656.85x = 23,463.29 × 8,640.14
  4. Step 4: Simplify right side
    15,656.85x = 202,726,014.74
  5. Step 5: Solve for x
    x = 202,726,014.74/15,656.85
  6. Step 6: Final answer
    x = 12,948.07

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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.