Home / 16,125.76-22,254.12-9,415.68

Finding the Fourth Proportional to 16,125.76, 22,254.12 and 9,415.68

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Solution

The fourth proportional to 16,125.76, 22,254.12 and 9,415.68 is: 12,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,125.76 : 22,254.12 = 9,415.68 : x
  2. Step 2: Convert to fraction form
    16,125.76/22,254.12 = 9,415.68/x
  3. Step 3: Cross multiply
    16,125.76x = 22,254.12 × 9,415.68
  4. Step 4: Simplify right side
    16,125.76x = 209,537,672.60
  5. Step 5: Solve for x
    x = 209,537,672.60/16,125.76
  6. Step 6: Final answer
    x = 12,993.97

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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.