Home / 14,877.24-20,523.52-8,907.78

Finding the Fourth Proportional to 14,877.24, 20,523.52 and 8,907.78

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Solution

The fourth proportional to 14,877.24, 20,523.52 and 8,907.78 is: 12,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,877.24 : 20,523.52 = 8,907.78 : x
  2. Step 2: Convert to fraction form
    14,877.24/20,523.52 = 8,907.78/x
  3. Step 3: Cross multiply
    14,877.24x = 20,523.52 × 8,907.78
  4. Step 4: Simplify right side
    14,877.24x = 182,819,000.99
  5. Step 5: Solve for x
    x = 182,819,000.99/14,877.24
  6. Step 6: Final answer
    x = 12,288.50

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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.