Home / 13,225.02-18,251.02-7,256.88

Finding the Fourth Proportional to 13,225.02, 18,251.02 and 7,256.88

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Solution

The fourth proportional to 13,225.02, 18,251.02 and 7,256.88 is: 10,014.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.02 : 18,251.02 = 7,256.88 : x
  2. Step 2: Convert to fraction form
    13,225.02/18,251.02 = 7,256.88/x
  3. Step 3: Cross multiply
    13,225.02x = 18,251.02 × 7,256.88
  4. Step 4: Simplify right side
    13,225.02x = 132,445,462.02
  5. Step 5: Solve for x
    x = 132,445,462.02/13,225.02
  6. Step 6: Final answer
    x = 10,014.76

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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.