Home / 15,999.06-22,079.30-8,926.86

Finding the Fourth Proportional to 15,999.06, 22,079.30 and 8,926.86

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Solution

The fourth proportional to 15,999.06, 22,079.30 and 8,926.86 is: 12,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.06 : 22,079.30 = 8,926.86 : x
  2. Step 2: Convert to fraction form
    15,999.06/22,079.30 = 8,926.86/x
  3. Step 3: Cross multiply
    15,999.06x = 22,079.30 × 8,926.86
  4. Step 4: Simplify right side
    15,999.06x = 197,098,820.00
  5. Step 5: Solve for x
    x = 197,098,820.00/15,999.06
  6. Step 6: Final answer
    x = 12,319.40

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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.