Home / 21,042.30-29,041.52-13,497.14

Finding the Fourth Proportional to 21,042.30, 29,041.52 and 13,497.14

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Solution

The fourth proportional to 21,042.30, 29,041.52 and 13,497.14 is: 18,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042.30 : 29,041.52 = 13,497.14 : x
  2. Step 2: Convert to fraction form
    21,042.30/29,041.52 = 13,497.14/x
  3. Step 3: Cross multiply
    21,042.30x = 29,041.52 × 13,497.14
  4. Step 4: Simplify right side
    21,042.30x = 391,977,461.25
  5. Step 5: Solve for x
    x = 391,977,461.25/21,042.30
  6. Step 6: Final answer
    x = 18,628.07

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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.