Home / 15,950.83-22,011.69-8,877.10

Finding the Fourth Proportional to 15,950.83, 22,011.69 and 8,877.10

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Solution

The fourth proportional to 15,950.83, 22,011.69 and 8,877.10 is: 12,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950.83 : 22,011.69 = 8,877.10 : x
  2. Step 2: Convert to fraction form
    15,950.83/22,011.69 = 8,877.10/x
  3. Step 3: Cross multiply
    15,950.83x = 22,011.69 × 8,877.10
  4. Step 4: Simplify right side
    15,950.83x = 195,399,928.91
  5. Step 5: Solve for x
    x = 195,399,928.91/15,950.83
  6. Step 6: Final answer
    x = 12,250.14

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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.