Home / 15,473.67-21,371.24-10,429.19

Finding the Fourth Proportional to 15,473.67, 21,371.24 and 10,429.19

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Solution

The fourth proportional to 15,473.67, 21,371.24 and 10,429.19 is: 14,404.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,473.67 : 21,371.24 = 10,429.19 : x
  2. Step 2: Convert to fraction form
    15,473.67/21,371.24 = 10,429.19/x
  3. Step 3: Cross multiply
    15,473.67x = 21,371.24 × 10,429.19
  4. Step 4: Simplify right side
    15,473.67x = 222,884,721.85
  5. Step 5: Solve for x
    x = 222,884,721.85/15,473.67
  6. Step 6: Final answer
    x = 14,404.13

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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.