Home / 15,815.40-23,726.88-4,722.99

Finding the Fourth Proportional to 15,815.40, 23,726.88 and 4,722.99

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Solution

The fourth proportional to 15,815.40, 23,726.88 and 4,722.99 is: 7,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.40 : 23,726.88 = 4,722.99 : x
  2. Step 2: Convert to fraction form
    15,815.40/23,726.88 = 4,722.99/x
  3. Step 3: Cross multiply
    15,815.40x = 23,726.88 × 4,722.99
  4. Step 4: Simplify right side
    15,815.40x = 112,061,816.97
  5. Step 5: Solve for x
    x = 112,061,816.97/15,815.40
  6. Step 6: Final answer
    x = 7,085.61

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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.