Home / 10,473.16-15,684.81-8,521.06

Finding the Fourth Proportional to 10,473.16, 15,684.81 and 8,521.06

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Solution

The fourth proportional to 10,473.16, 15,684.81 and 8,521.06 is: 12,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.16 : 15,684.81 = 8,521.06 : x
  2. Step 2: Convert to fraction form
    10,473.16/15,684.81 = 8,521.06/x
  3. Step 3: Cross multiply
    10,473.16x = 15,684.81 × 8,521.06
  4. Step 4: Simplify right side
    10,473.16x = 133,651,207.10
  5. Step 5: Solve for x
    x = 133,651,207.10/10,473.16
  6. Step 6: Final answer
    x = 12,761.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.