Home / 18,124.43-27,193.56-7,038.90

Finding the Fourth Proportional to 18,124.43, 27,193.56 and 7,038.90

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Solution

The fourth proportional to 18,124.43, 27,193.56 and 7,038.90 is: 10,561.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.43 : 27,193.56 = 7,038.90 : x
  2. Step 2: Convert to fraction form
    18,124.43/27,193.56 = 7,038.90/x
  3. Step 3: Cross multiply
    18,124.43x = 27,193.56 × 7,038.90
  4. Step 4: Simplify right side
    18,124.43x = 191,412,749.48
  5. Step 5: Solve for x
    x = 191,412,749.48/18,124.43
  6. Step 6: Final answer
    x = 10,561.04

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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.