Home / 13,244.18-18,276.44-7,275.56

Finding the Fourth Proportional to 13,244.18, 18,276.44 and 7,275.56

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Solution

The fourth proportional to 13,244.18, 18,276.44 and 7,275.56 is: 10,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.18 : 18,276.44 = 7,275.56 : x
  2. Step 2: Convert to fraction form
    13,244.18/18,276.44 = 7,275.56/x
  3. Step 3: Cross multiply
    13,244.18x = 18,276.44 × 7,275.56
  4. Step 4: Simplify right side
    13,244.18x = 132,971,335.81
  5. Step 5: Solve for x
    x = 132,971,335.81/13,244.18
  6. Step 6: Final answer
    x = 10,039.98

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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.