Home / 15,338.30-23,007.45-5,477.90

Finding the Fourth Proportional to 15,338.30, 23,007.45 and 5,477.90

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Solution

The fourth proportional to 15,338.30, 23,007.45 and 5,477.90 is: 8,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338.30 : 23,007.45 = 5,477.90 : x
  2. Step 2: Convert to fraction form
    15,338.30/23,007.45 = 5,477.90/x
  3. Step 3: Cross multiply
    15,338.30x = 23,007.45 × 5,477.90
  4. Step 4: Simplify right side
    15,338.30x = 126,032,510.36
  5. Step 5: Solve for x
    x = 126,032,510.36/15,338.30
  6. Step 6: Final answer
    x = 8,216.85

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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.