Home / 14,691.47-20,269.22-9,389.34

Finding the Fourth Proportional to 14,691.47, 20,269.22 and 9,389.34

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Solution

The fourth proportional to 14,691.47, 20,269.22 and 9,389.34 is: 12,954.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.47 : 20,269.22 = 9,389.34 : x
  2. Step 2: Convert to fraction form
    14,691.47/20,269.22 = 9,389.34/x
  3. Step 3: Cross multiply
    14,691.47x = 20,269.22 × 9,389.34
  4. Step 4: Simplify right side
    14,691.47x = 190,314,551.17
  5. Step 5: Solve for x
    x = 190,314,551.17/14,691.47
  6. Step 6: Final answer
    x = 12,954.09

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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.