Home / 15,351.14-21,184.12-9,304.96

Finding the Fourth Proportional to 15,351.14, 21,184.12 and 9,304.96

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Solution

The fourth proportional to 15,351.14, 21,184.12 and 9,304.96 is: 12,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,351.14 : 21,184.12 = 9,304.96 : x
  2. Step 2: Convert to fraction form
    15,351.14/21,184.12 = 9,304.96/x
  3. Step 3: Cross multiply
    15,351.14x = 21,184.12 × 9,304.96
  4. Step 4: Simplify right side
    15,351.14x = 197,117,342.71
  5. Step 5: Solve for x
    x = 197,117,342.71/15,351.14
  6. Step 6: Final answer
    x = 12,840.57

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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.