Home / 15,780.24-23,672.61-5,246.79

Finding the Fourth Proportional to 15,780.24, 23,672.61 and 5,246.79

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Solution

The fourth proportional to 15,780.24, 23,672.61 and 5,246.79 is: 7,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780.24 : 23,672.61 = 5,246.79 : x
  2. Step 2: Convert to fraction form
    15,780.24/23,672.61 = 5,246.79/x
  3. Step 3: Cross multiply
    15,780.24x = 23,672.61 × 5,246.79
  4. Step 4: Simplify right side
    15,780.24x = 124,205,213.42
  5. Step 5: Solve for x
    x = 124,205,213.42/15,780.24
  6. Step 6: Final answer
    x = 7,870.93

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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.