Home / 14,083.57-21,133.55-5,319.17

Finding the Fourth Proportional to 14,083.57, 21,133.55 and 5,319.17

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Solution

The fourth proportional to 14,083.57, 21,133.55 and 5,319.17 is: 7,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.57 : 21,133.55 = 5,319.17 : x
  2. Step 2: Convert to fraction form
    14,083.57/21,133.55 = 5,319.17/x
  3. Step 3: Cross multiply
    14,083.57x = 21,133.55 × 5,319.17
  4. Step 4: Simplify right side
    14,083.57x = 112,412,839.49
  5. Step 5: Solve for x
    x = 112,412,839.49/14,083.57
  6. Step 6: Final answer
    x = 7,981.85

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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.