Home / 14,538.11-20,065.21-8,569.43

Finding the Fourth Proportional to 14,538.11, 20,065.21 and 8,569.43

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Solution

The fourth proportional to 14,538.11, 20,065.21 and 8,569.43 is: 11,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.11 : 20,065.21 = 8,569.43 : x
  2. Step 2: Convert to fraction form
    14,538.11/20,065.21 = 8,569.43/x
  3. Step 3: Cross multiply
    14,538.11x = 20,065.21 × 8,569.43
  4. Step 4: Simplify right side
    14,538.11x = 171,947,412.53
  5. Step 5: Solve for x
    x = 171,947,412.53/14,538.11
  6. Step 6: Final answer
    x = 11,827.36

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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.