Home / 11,089.64-15,291.26-9,066.76

Finding the Fourth Proportional to 11,089.64, 15,291.26 and 9,066.76

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Solution

The fourth proportional to 11,089.64, 15,291.26 and 9,066.76 is: 12,501.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.64 : 15,291.26 = 9,066.76 : x
  2. Step 2: Convert to fraction form
    11,089.64/15,291.26 = 9,066.76/x
  3. Step 3: Cross multiply
    11,089.64x = 15,291.26 × 9,066.76
  4. Step 4: Simplify right side
    11,089.64x = 138,642,184.52
  5. Step 5: Solve for x
    x = 138,642,184.52/11,089.64
  6. Step 6: Final answer
    x = 12,501.96

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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.