Home / 16,023.45-22,115.06-9,312.95

Finding the Fourth Proportional to 16,023.45, 22,115.06 and 9,312.95

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Solution

The fourth proportional to 16,023.45, 22,115.06 and 9,312.95 is: 12,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,023.45 : 22,115.06 = 9,312.95 : x
  2. Step 2: Convert to fraction form
    16,023.45/22,115.06 = 9,312.95/x
  3. Step 3: Cross multiply
    16,023.45x = 22,115.06 × 9,312.95
  4. Step 4: Simplify right side
    16,023.45x = 205,956,290.89
  5. Step 5: Solve for x
    x = 205,956,290.89/16,023.45
  6. Step 6: Final answer
    x = 12,853.43

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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.