Home / 15,178.24-22,779.05-9,911.82

Finding the Fourth Proportional to 15,178.24, 22,779.05 and 9,911.82

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Solution

The fourth proportional to 15,178.24, 22,779.05 and 9,911.82 is: 14,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.24 : 22,779.05 = 9,911.82 : x
  2. Step 2: Convert to fraction form
    15,178.24/22,779.05 = 9,911.82/x
  3. Step 3: Cross multiply
    15,178.24x = 22,779.05 × 9,911.82
  4. Step 4: Simplify right side
    15,178.24x = 225,781,778.98
  5. Step 5: Solve for x
    x = 225,781,778.98/15,178.24
  6. Step 6: Final answer
    x = 14,875.36

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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.