Home / 11,255.04-15,532-6,287.04

Finding the Fourth Proportional to 11,255.04, 15,532 and 6,287.04

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Solution

The fourth proportional to 11,255.04, 15,532 and 6,287.04 is: 8,676.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.04 : 15,532 = 6,287.04 : x
  2. Step 2: Convert to fraction form
    11,255.04/15,532 = 6,287.04/x
  3. Step 3: Cross multiply
    11,255.04x = 15,532 × 6,287.04
  4. Step 4: Simplify right side
    11,255.04x = 97,650,305.28
  5. Step 5: Solve for x
    x = 97,650,305.28/11,255.04
  6. Step 6: Final answer
    x = 8,676.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.