Home / 10,279.27-15,420.51-4,356.17

Finding the Fourth Proportional to 10,279.27, 15,420.51 and 4,356.17

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Solution

The fourth proportional to 10,279.27, 15,420.51 and 4,356.17 is: 6,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.27 : 15,420.51 = 4,356.17 : x
  2. Step 2: Convert to fraction form
    10,279.27/15,420.51 = 4,356.17/x
  3. Step 3: Cross multiply
    10,279.27x = 15,420.51 × 4,356.17
  4. Step 4: Simplify right side
    10,279.27x = 67,174,285.94
  5. Step 5: Solve for x
    x = 67,174,285.94/10,279.27
  6. Step 6: Final answer
    x = 6,534.93

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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.