Home / 14,777.20-22,041.20-12,561.04

Finding the Fourth Proportional to 14,777.20, 22,041.20 and 12,561.04

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Solution

The fourth proportional to 14,777.20, 22,041.20 and 12,561.04 is: 18,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.20 : 22,041.20 = 12,561.04 : x
  2. Step 2: Convert to fraction form
    14,777.20/22,041.20 = 12,561.04/x
  3. Step 3: Cross multiply
    14,777.20x = 22,041.20 × 12,561.04
  4. Step 4: Simplify right side
    14,777.20x = 276,860,394.85
  5. Step 5: Solve for x
    x = 276,860,394.85/14,777.20
  6. Step 6: Final answer
    x = 18,735.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.