Home / 15,517.95-23,280.57-4,424.80

Finding the Fourth Proportional to 15,517.95, 23,280.57 and 4,424.80

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Solution

The fourth proportional to 15,517.95, 23,280.57 and 4,424.80 is: 6,638.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.95 : 23,280.57 = 4,424.80 : x
  2. Step 2: Convert to fraction form
    15,517.95/23,280.57 = 4,424.80/x
  3. Step 3: Cross multiply
    15,517.95x = 23,280.57 × 4,424.80
  4. Step 4: Simplify right side
    15,517.95x = 103,011,866.14
  5. Step 5: Solve for x
    x = 103,011,866.14/15,517.95
  6. Step 6: Final answer
    x = 6,638.24

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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.