Home / 15,050.08-20,767.98-8,672.14

Finding the Fourth Proportional to 15,050.08, 20,767.98 and 8,672.14

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Solution

The fourth proportional to 15,050.08, 20,767.98 and 8,672.14 is: 11,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,050.08 : 20,767.98 = 8,672.14 : x
  2. Step 2: Convert to fraction form
    15,050.08/20,767.98 = 8,672.14/x
  3. Step 3: Cross multiply
    15,050.08x = 20,767.98 × 8,672.14
  4. Step 4: Simplify right side
    15,050.08x = 180,102,830.08
  5. Step 5: Solve for x
    x = 180,102,830.08/15,050.08
  6. Step 6: Final answer
    x = 11,966.90

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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.