Home / 11,254.40-15,530.95-6,218.29

Finding the Fourth Proportional to 11,254.40, 15,530.95 and 6,218.29

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Solution

The fourth proportional to 11,254.40, 15,530.95 and 6,218.29 is: 8,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.40 : 15,530.95 = 6,218.29 : x
  2. Step 2: Convert to fraction form
    11,254.40/15,530.95 = 6,218.29/x
  3. Step 3: Cross multiply
    11,254.40x = 15,530.95 × 6,218.29
  4. Step 4: Simplify right side
    11,254.40x = 96,575,951.08
  5. Step 5: Solve for x
    x = 96,575,951.08/11,254.40
  6. Step 6: Final answer
    x = 8,581.17

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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.