Home / 11,987.16-16,541.66-6,610.48

Finding the Fourth Proportional to 11,987.16, 16,541.66 and 6,610.48

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Solution

The fourth proportional to 11,987.16, 16,541.66 and 6,610.48 is: 9,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987.16 : 16,541.66 = 6,610.48 : x
  2. Step 2: Convert to fraction form
    11,987.16/16,541.66 = 6,610.48/x
  3. Step 3: Cross multiply
    11,987.16x = 16,541.66 × 6,610.48
  4. Step 4: Simplify right side
    11,987.16x = 109,348,312.60
  5. Step 5: Solve for x
    x = 109,348,312.60/11,987.16
  6. Step 6: Final answer
    x = 9,122.12

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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.