Home / 14,488.17-21,732.71-5,126.90

Finding the Fourth Proportional to 14,488.17, 21,732.71 and 5,126.90

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Solution

The fourth proportional to 14,488.17, 21,732.71 and 5,126.90 is: 7,690.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.17 : 21,732.71 = 5,126.90 : x
  2. Step 2: Convert to fraction form
    14,488.17/21,732.71 = 5,126.90/x
  3. Step 3: Cross multiply
    14,488.17x = 21,732.71 × 5,126.90
  4. Step 4: Simplify right side
    14,488.17x = 111,421,296.60
  5. Step 5: Solve for x
    x = 111,421,296.60/14,488.17
  6. Step 6: Final answer
    x = 7,690.50

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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.