Home / 16,539.20-24,808.80-11,290.40

Finding the Fourth Proportional to 16,539.20, 24,808.80 and 11,290.40

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Solution

The fourth proportional to 16,539.20, 24,808.80 and 11,290.40 is: 16,935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,539.20 : 24,808.80 = 11,290.40 : x
  2. Step 2: Convert to fraction form
    16,539.20/24,808.80 = 11,290.40/x
  3. Step 3: Cross multiply
    16,539.20x = 24,808.80 × 11,290.40
  4. Step 4: Simplify right side
    16,539.20x = 280,101,275.52
  5. Step 5: Solve for x
    x = 280,101,275.52/16,539.20
  6. Step 6: Final answer
    x = 16,935.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.