Home / 11,040.60-15,230.67-6,561.18

Finding the Fourth Proportional to 11,040.60, 15,230.67 and 6,561.18

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Solution

The fourth proportional to 11,040.60, 15,230.67 and 6,561.18 is: 9,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.60 : 15,230.67 = 6,561.18 : x
  2. Step 2: Convert to fraction form
    11,040.60/15,230.67 = 6,561.18/x
  3. Step 3: Cross multiply
    11,040.60x = 15,230.67 × 6,561.18
  4. Step 4: Simplify right side
    11,040.60x = 99,931,167.39
  5. Step 5: Solve for x
    x = 99,931,167.39/11,040.60
  6. Step 6: Final answer
    x = 9,051.24

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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.