Home / 16,402.40-24,607.50-5,309.09

Finding the Fourth Proportional to 16,402.40, 24,607.50 and 5,309.09

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Solution

The fourth proportional to 16,402.40, 24,607.50 and 5,309.09 is: 7,964.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,402.40 : 24,607.50 = 5,309.09 : x
  2. Step 2: Convert to fraction form
    16,402.40/24,607.50 = 5,309.09/x
  3. Step 3: Cross multiply
    16,402.40x = 24,607.50 × 5,309.09
  4. Step 4: Simplify right side
    16,402.40x = 130,643,295.86
  5. Step 5: Solve for x
    x = 130,643,295.86/16,402.40
  6. Step 6: Final answer
    x = 7,964.89

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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.