Home / 19,492.74-29,242.17-8,402.55

Finding the Fourth Proportional to 19,492.74, 29,242.17 and 8,402.55

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Solution

The fourth proportional to 19,492.74, 29,242.17 and 8,402.55 is: 12,605.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492.74 : 29,242.17 = 8,402.55 : x
  2. Step 2: Convert to fraction form
    19,492.74/29,242.17 = 8,402.55/x
  3. Step 3: Cross multiply
    19,492.74x = 29,242.17 × 8,402.55
  4. Step 4: Simplify right side
    19,492.74x = 245,708,795.53
  5. Step 5: Solve for x
    x = 245,708,795.53/19,492.74
  6. Step 6: Final answer
    x = 12,605.14

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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.