Home / 10,424.04-14,387.70-6,442.75

Finding the Fourth Proportional to 10,424.04, 14,387.70 and 6,442.75

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Solution

The fourth proportional to 10,424.04, 14,387.70 and 6,442.75 is: 8,892.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.04 : 14,387.70 = 6,442.75 : x
  2. Step 2: Convert to fraction form
    10,424.04/14,387.70 = 6,442.75/x
  3. Step 3: Cross multiply
    10,424.04x = 14,387.70 × 6,442.75
  4. Step 4: Simplify right side
    10,424.04x = 92,696,354.18
  5. Step 5: Solve for x
    x = 92,696,354.18/10,424.04
  6. Step 6: Final answer
    x = 8,892.56

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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.