Home / 15,521.67-23,280.26-4,990.32

Finding the Fourth Proportional to 15,521.67, 23,280.26 and 4,990.32

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Solution

The fourth proportional to 15,521.67, 23,280.26 and 4,990.32 is: 7,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521.67 : 23,280.26 = 4,990.32 : x
  2. Step 2: Convert to fraction form
    15,521.67/23,280.26 = 4,990.32/x
  3. Step 3: Cross multiply
    15,521.67x = 23,280.26 × 4,990.32
  4. Step 4: Simplify right side
    15,521.67x = 116,175,922.13
  5. Step 5: Solve for x
    x = 116,175,922.13/15,521.67
  6. Step 6: Final answer
    x = 7,484.76

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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.