Home / 15,141.50-22,712.35-5,280.74

Finding the Fourth Proportional to 15,141.50, 22,712.35 and 5,280.74

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Solution

The fourth proportional to 15,141.50, 22,712.35 and 5,280.74 is: 7,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.50 : 22,712.35 = 5,280.74 : x
  2. Step 2: Convert to fraction form
    15,141.50/22,712.35 = 5,280.74/x
  3. Step 3: Cross multiply
    15,141.50x = 22,712.35 × 5,280.74
  4. Step 4: Simplify right side
    15,141.50x = 119,938,015.14
  5. Step 5: Solve for x
    x = 119,938,015.14/15,141.50
  6. Step 6: Final answer
    x = 7,921.14

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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.