Home / 11,254.24-15,520.76-9,372.06

Finding the Fourth Proportional to 11,254.24, 15,520.76 and 9,372.06

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Solution

The fourth proportional to 11,254.24, 15,520.76 and 9,372.06 is: 12,925.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.24 : 15,520.76 = 9,372.06 : x
  2. Step 2: Convert to fraction form
    11,254.24/15,520.76 = 9,372.06/x
  3. Step 3: Cross multiply
    11,254.24x = 15,520.76 × 9,372.06
  4. Step 4: Simplify right side
    11,254.24x = 145,461,416.36
  5. Step 5: Solve for x
    x = 145,461,416.36/11,254.24
  6. Step 6: Final answer
    x = 12,925.03

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Half scale
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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.