Home / 15,833.95-23,751.02-3,987.70

Finding the Fourth Proportional to 15,833.95, 23,751.02 and 3,987.70

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Solution

The fourth proportional to 15,833.95, 23,751.02 and 3,987.70 is: 5,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,833.95 : 23,751.02 = 3,987.70 : x
  2. Step 2: Convert to fraction form
    15,833.95/23,751.02 = 3,987.70/x
  3. Step 3: Cross multiply
    15,833.95x = 23,751.02 × 3,987.70
  4. Step 4: Simplify right side
    15,833.95x = 94,711,893.05
  5. Step 5: Solve for x
    x = 94,711,893.05/15,833.95
  6. Step 6: Final answer
    x = 5,981.57

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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.