Home / 11,253.79-15,530.17-6,218.01

Finding the Fourth Proportional to 11,253.79, 15,530.17 and 6,218.01

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Solution

The fourth proportional to 11,253.79, 15,530.17 and 6,218.01 is: 8,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.79 : 15,530.17 = 6,218.01 : x
  2. Step 2: Convert to fraction form
    11,253.79/15,530.17 = 6,218.01/x
  3. Step 3: Cross multiply
    11,253.79x = 15,530.17 × 6,218.01
  4. Step 4: Simplify right side
    11,253.79x = 96,566,734.86
  5. Step 5: Solve for x
    x = 96,566,734.86/11,253.79
  6. Step 6: Final answer
    x = 8,580.82

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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.