Home / 15,999.38-22,079.58-8,927.18

Finding the Fourth Proportional to 15,999.38, 22,079.58 and 8,927.18

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Solution

The fourth proportional to 15,999.38, 22,079.58 and 8,927.18 is: 12,319.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.38 : 22,079.58 = 8,927.18 : x
  2. Step 2: Convert to fraction form
    15,999.38/22,079.58 = 8,927.18/x
  3. Step 3: Cross multiply
    15,999.38x = 22,079.58 × 8,927.18
  4. Step 4: Simplify right side
    15,999.38x = 197,108,384.98
  5. Step 5: Solve for x
    x = 197,108,384.98/15,999.38
  6. Step 6: Final answer
    x = 12,319.75

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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.