Home / 15,442.92-23,145.75-7,111.53

Finding the Fourth Proportional to 15,442.92, 23,145.75 and 7,111.53

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Solution

The fourth proportional to 15,442.92, 23,145.75 and 7,111.53 is: 10,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442.92 : 23,145.75 = 7,111.53 : x
  2. Step 2: Convert to fraction form
    15,442.92/23,145.75 = 7,111.53/x
  3. Step 3: Cross multiply
    15,442.92x = 23,145.75 × 7,111.53
  4. Step 4: Simplify right side
    15,442.92x = 164,601,695.50
  5. Step 5: Solve for x
    x = 164,601,695.50/15,442.92
  6. Step 6: Final answer
    x = 10,658.72

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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.