Home / 10,420.52-14,381.16-6,229.58

Finding the Fourth Proportional to 10,420.52, 14,381.16 and 6,229.58

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Solution

The fourth proportional to 10,420.52, 14,381.16 and 6,229.58 is: 8,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420.52 : 14,381.16 = 6,229.58 : x
  2. Step 2: Convert to fraction form
    10,420.52/14,381.16 = 6,229.58/x
  3. Step 3: Cross multiply
    10,420.52x = 14,381.16 × 6,229.58
  4. Step 4: Simplify right side
    10,420.52x = 89,588,586.71
  5. Step 5: Solve for x
    x = 89,588,586.71/10,420.52
  6. Step 6: Final answer
    x = 8,597.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.