Home / 15,140.98-22,711.60-5,280.24

Finding the Fourth Proportional to 15,140.98, 22,711.60 and 5,280.24

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Solution

The fourth proportional to 15,140.98, 22,711.60 and 5,280.24 is: 7,920.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.98 : 22,711.60 = 5,280.24 : x
  2. Step 2: Convert to fraction form
    15,140.98/22,711.60 = 5,280.24/x
  3. Step 3: Cross multiply
    15,140.98x = 22,711.60 × 5,280.24
  4. Step 4: Simplify right side
    15,140.98x = 119,922,698.78
  5. Step 5: Solve for x
    x = 119,922,698.78/15,140.98
  6. Step 6: Final answer
    x = 7,920.41

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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.