Home / 10,962.22-15,124.16-6,243.16

Finding the Fourth Proportional to 10,962.22, 15,124.16 and 6,243.16

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Solution

The fourth proportional to 10,962.22, 15,124.16 and 6,243.16 is: 8,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.22 : 15,124.16 = 6,243.16 : x
  2. Step 2: Convert to fraction form
    10,962.22/15,124.16 = 6,243.16/x
  3. Step 3: Cross multiply
    10,962.22x = 15,124.16 × 6,243.16
  4. Step 4: Simplify right side
    10,962.22x = 94,422,550.75
  5. Step 5: Solve for x
    x = 94,422,550.75/10,962.22
  6. Step 6: Final answer
    x = 8,613.45

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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.