Home / 15,674.48-23,511.58-3,987.66

Finding the Fourth Proportional to 15,674.48, 23,511.58 and 3,987.66

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Solution

The fourth proportional to 15,674.48, 23,511.58 and 3,987.66 is: 5,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674.48 : 23,511.58 = 3,987.66 : x
  2. Step 2: Convert to fraction form
    15,674.48/23,511.58 = 3,987.66/x
  3. Step 3: Cross multiply
    15,674.48x = 23,511.58 × 3,987.66
  4. Step 4: Simplify right side
    15,674.48x = 93,756,177.13
  5. Step 5: Solve for x
    x = 93,756,177.13/15,674.48
  6. Step 6: Final answer
    x = 5,981.46

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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.