Home / 21,337.68-29,424.15-14,165.07

Finding the Fourth Proportional to 21,337.68, 29,424.15 and 14,165.07

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Solution

The fourth proportional to 21,337.68, 29,424.15 and 14,165.07 is: 19,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,337.68 : 29,424.15 = 14,165.07 : x
  2. Step 2: Convert to fraction form
    21,337.68/29,424.15 = 14,165.07/x
  3. Step 3: Cross multiply
    21,337.68x = 29,424.15 × 14,165.07
  4. Step 4: Simplify right side
    21,337.68x = 416,795,144.44
  5. Step 5: Solve for x
    x = 416,795,144.44/21,337.68
  6. Step 6: Final answer
    x = 19,533.29

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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.