Home / 10,401.12-14,348.64-6,209.04

Finding the Fourth Proportional to 10,401.12, 14,348.64 and 6,209.04

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Solution

The fourth proportional to 10,401.12, 14,348.64 and 6,209.04 is: 8,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.12 : 14,348.64 = 6,209.04 : x
  2. Step 2: Convert to fraction form
    10,401.12/14,348.64 = 6,209.04/x
  3. Step 3: Cross multiply
    10,401.12x = 14,348.64 × 6,209.04
  4. Step 4: Simplify right side
    10,401.12x = 89,091,279.71
  5. Step 5: Solve for x
    x = 89,091,279.71/10,401.12
  6. Step 6: Final answer
    x = 8,565.55

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