Home / 15,624.73-21,572.19-13,943.25

Finding the Fourth Proportional to 15,624.73, 21,572.19 and 13,943.25

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Solution

The fourth proportional to 15,624.73, 21,572.19 and 13,943.25 is: 19,250.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624.73 : 21,572.19 = 13,943.25 : x
  2. Step 2: Convert to fraction form
    15,624.73/21,572.19 = 13,943.25/x
  3. Step 3: Cross multiply
    15,624.73x = 21,572.19 × 13,943.25
  4. Step 4: Simplify right side
    15,624.73x = 300,786,438.22
  5. Step 5: Solve for x
    x = 300,786,438.22/15,624.73
  6. Step 6: Final answer
    x = 19,250.66

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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.