Home / 11,254.01-15,530.47-6,218.57

Finding the Fourth Proportional to 11,254.01, 15,530.47 and 6,218.57

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Solution

The fourth proportional to 11,254.01, 15,530.47 and 6,218.57 is: 8,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.01 : 15,530.47 = 6,218.57 : x
  2. Step 2: Convert to fraction form
    11,254.01/15,530.47 = 6,218.57/x
  3. Step 3: Cross multiply
    11,254.01x = 15,530.47 × 6,218.57
  4. Step 4: Simplify right side
    11,254.01x = 96,577,338.11
  5. Step 5: Solve for x
    x = 96,577,338.11/11,254.01
  6. Step 6: Final answer
    x = 8,581.60

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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.