Home / 21,084.16-31,630.56-6,293.92

Finding the Fourth Proportional to 21,084.16, 31,630.56 and 6,293.92

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Solution

The fourth proportional to 21,084.16, 31,630.56 and 6,293.92 is: 9,442.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,084.16 : 31,630.56 = 6,293.92 : x
  2. Step 2: Convert to fraction form
    21,084.16/31,630.56 = 6,293.92/x
  3. Step 3: Cross multiply
    21,084.16x = 31,630.56 × 6,293.92
  4. Step 4: Simplify right side
    21,084.16x = 199,080,214.20
  5. Step 5: Solve for x
    x = 199,080,214.20/21,084.16
  6. Step 6: Final answer
    x = 9,442.17

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1.5x scale

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.