Home / 18,280.90-27,426.13-6,434.19

Finding the Fourth Proportional to 18,280.90, 27,426.13 and 6,434.19

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Solution

The fourth proportional to 18,280.90, 27,426.13 and 6,434.19 is: 9,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.90 : 27,426.13 = 6,434.19 : x
  2. Step 2: Convert to fraction form
    18,280.90/27,426.13 = 6,434.19/x
  3. Step 3: Cross multiply
    18,280.90x = 27,426.13 × 6,434.19
  4. Step 4: Simplify right side
    18,280.90x = 176,464,915.30
  5. Step 5: Solve for x
    x = 176,464,915.30/18,280.90
  6. Step 6: Final answer
    x = 9,652.97

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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.