Home / 11,319.06-16,885.56-9,665.13

Finding the Fourth Proportional to 11,319.06, 16,885.56 and 9,665.13

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Solution

The fourth proportional to 11,319.06, 16,885.56 and 9,665.13 is: 14,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.06 : 16,885.56 = 9,665.13 : x
  2. Step 2: Convert to fraction form
    11,319.06/16,885.56 = 9,665.13/x
  3. Step 3: Cross multiply
    11,319.06x = 16,885.56 × 9,665.13
  4. Step 4: Simplify right side
    11,319.06x = 163,201,132.52
  5. Step 5: Solve for x
    x = 163,201,132.52/11,319.06
  6. Step 6: Final answer
    x = 14,418.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.