Home / 19,531.14-29,189.54-14,277.22

Finding the Fourth Proportional to 19,531.14, 29,189.54 and 14,277.22

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Solution

The fourth proportional to 19,531.14, 29,189.54 and 14,277.22 is: 21,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.14 : 29,189.54 = 14,277.22 : x
  2. Step 2: Convert to fraction form
    19,531.14/29,189.54 = 14,277.22/x
  3. Step 3: Cross multiply
    19,531.14x = 29,189.54 × 14,277.22
  4. Step 4: Simplify right side
    19,531.14x = 416,745,484.28
  5. Step 5: Solve for x
    x = 416,745,484.28/19,531.14
  6. Step 6: Final answer
    x = 21,337.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.