Home / 15,515.12-23,256.48-6,747.68

Finding the Fourth Proportional to 15,515.12, 23,256.48 and 6,747.68

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Solution

The fourth proportional to 15,515.12, 23,256.48 and 6,747.68 is: 10,114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.12 : 23,256.48 = 6,747.68 : x
  2. Step 2: Convert to fraction form
    15,515.12/23,256.48 = 6,747.68/x
  3. Step 3: Cross multiply
    15,515.12x = 23,256.48 × 6,747.68
  4. Step 4: Simplify right side
    15,515.12x = 156,927,284.97
  5. Step 5: Solve for x
    x = 156,927,284.97/15,515.12
  6. Step 6: Final answer
    x = 10,114.47

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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.