Home / 11,256.55-15,534.46-6,220.98

Finding the Fourth Proportional to 11,256.55, 15,534.46 and 6,220.98

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Solution

The fourth proportional to 11,256.55, 15,534.46 and 6,220.98 is: 8,585.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.55 : 15,534.46 = 6,220.98 : x
  2. Step 2: Convert to fraction form
    11,256.55/15,534.46 = 6,220.98/x
  3. Step 3: Cross multiply
    11,256.55x = 15,534.46 × 6,220.98
  4. Step 4: Simplify right side
    11,256.55x = 96,639,549.42
  5. Step 5: Solve for x
    x = 96,639,549.42/11,256.55
  6. Step 6: Final answer
    x = 8,585.19

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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.