Home / 14,159.84-21,250.68-7,591.52

Finding the Fourth Proportional to 14,159.84, 21,250.68 and 7,591.52

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Solution

The fourth proportional to 14,159.84, 21,250.68 and 7,591.52 is: 11,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.84 : 21,250.68 = 7,591.52 : x
  2. Step 2: Convert to fraction form
    14,159.84/21,250.68 = 7,591.52/x
  3. Step 3: Cross multiply
    14,159.84x = 21,250.68 × 7,591.52
  4. Step 4: Simplify right side
    14,159.84x = 161,324,962.23
  5. Step 5: Solve for x
    x = 161,324,962.23/14,159.84
  6. Step 6: Final answer
    x = 11,393.13

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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.