Home / 15,815.78-23,727.80-4,722.47

Finding the Fourth Proportional to 15,815.78, 23,727.80 and 4,722.47

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Solution

The fourth proportional to 15,815.78, 23,727.80 and 4,722.47 is: 7,084.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.78 : 23,727.80 = 4,722.47 : x
  2. Step 2: Convert to fraction form
    15,815.78/23,727.80 = 4,722.47/x
  3. Step 3: Cross multiply
    15,815.78x = 23,727.80 × 4,722.47
  4. Step 4: Simplify right side
    15,815.78x = 112,053,823.67
  5. Step 5: Solve for x
    x = 112,053,823.67/15,815.78
  6. Step 6: Final answer
    x = 7,084.94

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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.