Home / 11,605.12-15,988.80-11,052.16

Finding the Fourth Proportional to 11,605.12, 15,988.80 and 11,052.16

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Solution

The fourth proportional to 11,605.12, 15,988.80 and 11,052.16 is: 15,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.12 : 15,988.80 = 11,052.16 : x
  2. Step 2: Convert to fraction form
    11,605.12/15,988.80 = 11,052.16/x
  3. Step 3: Cross multiply
    11,605.12x = 15,988.80 × 11,052.16
  4. Step 4: Simplify right side
    11,605.12x = 176,710,775.81
  5. Step 5: Solve for x
    x = 176,710,775.81/11,605.12
  6. Step 6: Final answer
    x = 15,226.97

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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.