Home / 18,869.28-26,038.48-10,910.92

Finding the Fourth Proportional to 18,869.28, 26,038.48 and 10,910.92

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Solution

The fourth proportional to 18,869.28, 26,038.48 and 10,910.92 is: 15,056.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869.28 : 26,038.48 = 10,910.92 : x
  2. Step 2: Convert to fraction form
    18,869.28/26,038.48 = 10,910.92/x
  3. Step 3: Cross multiply
    18,869.28x = 26,038.48 × 10,910.92
  4. Step 4: Simplify right side
    18,869.28x = 284,103,772.20
  5. Step 5: Solve for x
    x = 284,103,772.20/18,869.28
  6. Step 6: Final answer
    x = 15,056.42

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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.