Home / 15,155.14-22,732.70-7,148.05

Finding the Fourth Proportional to 15,155.14, 22,732.70 and 7,148.05

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Solution

The fourth proportional to 15,155.14, 22,732.70 and 7,148.05 is: 10,722.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155.14 : 22,732.70 = 7,148.05 : x
  2. Step 2: Convert to fraction form
    15,155.14/22,732.70 = 7,148.05/x
  3. Step 3: Cross multiply
    15,155.14x = 22,732.70 × 7,148.05
  4. Step 4: Simplify right side
    15,155.14x = 162,494,362.57
  5. Step 5: Solve for x
    x = 162,494,362.57/15,155.14
  6. Step 6: Final answer
    x = 10,722.06

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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.