Home / 21,626.53-32,444.28-9,146.66

Finding the Fourth Proportional to 21,626.53, 32,444.28 and 9,146.66

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Solution

The fourth proportional to 21,626.53, 32,444.28 and 9,146.66 is: 13,721.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.53 : 32,444.28 = 9,146.66 : x
  2. Step 2: Convert to fraction form
    21,626.53/32,444.28 = 9,146.66/x
  3. Step 3: Cross multiply
    21,626.53x = 32,444.28 × 9,146.66
  4. Step 4: Simplify right side
    21,626.53x = 296,756,798.10
  5. Step 5: Solve for x
    x = 296,756,798.10/21,626.53
  6. Step 6: Final answer
    x = 13,721.89

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1.5x scale

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.