Home / 15,987.52-23,981.36-4,893.68

Finding the Fourth Proportional to 15,987.52, 23,981.36 and 4,893.68

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Solution

The fourth proportional to 15,987.52, 23,981.36 and 4,893.68 is: 7,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.52 : 23,981.36 = 4,893.68 : x
  2. Step 2: Convert to fraction form
    15,987.52/23,981.36 = 4,893.68/x
  3. Step 3: Cross multiply
    15,987.52x = 23,981.36 × 4,893.68
  4. Step 4: Simplify right side
    15,987.52x = 117,357,101.80
  5. Step 5: Solve for x
    x = 117,357,101.80/15,987.52
  6. Step 6: Final answer
    x = 7,340.54

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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.