Home / 12,588.28-18,869.46-6,743.32

Finding the Fourth Proportional to 12,588.28, 18,869.46 and 6,743.32

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Solution

The fourth proportional to 12,588.28, 18,869.46 and 6,743.32 is: 10,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.28 : 18,869.46 = 6,743.32 : x
  2. Step 2: Convert to fraction form
    12,588.28/18,869.46 = 6,743.32/x
  3. Step 3: Cross multiply
    12,588.28x = 18,869.46 × 6,743.32
  4. Step 4: Simplify right side
    12,588.28x = 127,242,807.01
  5. Step 5: Solve for x
    x = 127,242,807.01/12,588.28
  6. Step 6: Final answer
    x = 10,108.04

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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.