Home / 11,022.40-15,211.12-10,523.84

Finding the Fourth Proportional to 11,022.40, 15,211.12 and 10,523.84

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Solution

The fourth proportional to 11,022.40, 15,211.12 and 10,523.84 is: 14,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.40 : 15,211.12 = 10,523.84 : x
  2. Step 2: Convert to fraction form
    11,022.40/15,211.12 = 10,523.84/x
  3. Step 3: Cross multiply
    11,022.40x = 15,211.12 × 10,523.84
  4. Step 4: Simplify right side
    11,022.40x = 160,079,393.10
  5. Step 5: Solve for x
    x = 160,079,393.10/11,022.40
  6. Step 6: Final answer
    x = 14,523.10

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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.