Home / 18,711.47-28,061.36-6,228.58

Finding the Fourth Proportional to 18,711.47, 28,061.36 and 6,228.58

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Solution

The fourth proportional to 18,711.47, 28,061.36 and 6,228.58 is: 9,340.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711.47 : 28,061.36 = 6,228.58 : x
  2. Step 2: Convert to fraction form
    18,711.47/28,061.36 = 6,228.58/x
  3. Step 3: Cross multiply
    18,711.47x = 28,061.36 × 6,228.58
  4. Step 4: Simplify right side
    18,711.47x = 174,782,371.09
  5. Step 5: Solve for x
    x = 174,782,371.09/18,711.47
  6. Step 6: Final answer
    x = 9,340.92

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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.