Home / 16,405.24-22,641.40-9,330.30

Finding the Fourth Proportional to 16,405.24, 22,641.40 and 9,330.30

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Solution

The fourth proportional to 16,405.24, 22,641.40 and 9,330.30 is: 12,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405.24 : 22,641.40 = 9,330.30 : x
  2. Step 2: Convert to fraction form
    16,405.24/22,641.40 = 9,330.30/x
  3. Step 3: Cross multiply
    16,405.24x = 22,641.40 × 9,330.30
  4. Step 4: Simplify right side
    16,405.24x = 211,250,946.19
  5. Step 5: Solve for x
    x = 211,250,946.19/16,405.24
  6. Step 6: Final answer
    x = 12,877.04

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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.