Home / 15,304.68-21,126.90-9,338.46

Finding the Fourth Proportional to 15,304.68, 21,126.90 and 9,338.46

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Solution

The fourth proportional to 15,304.68, 21,126.90 and 9,338.46 is: 12,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,304.68 : 21,126.90 = 9,338.46 : x
  2. Step 2: Convert to fraction form
    15,304.68/21,126.90 = 9,338.46/x
  3. Step 3: Cross multiply
    15,304.68x = 21,126.90 × 9,338.46
  4. Step 4: Simplify right side
    15,304.68x = 197,292,710.57
  5. Step 5: Solve for x
    x = 197,292,710.57/15,304.68
  6. Step 6: Final answer
    x = 12,891.01

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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.