Home / 13,062.36-18,026.46-7,475.16

Finding the Fourth Proportional to 13,062.36, 18,026.46 and 7,475.16

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Solution

The fourth proportional to 13,062.36, 18,026.46 and 7,475.16 is: 10,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.36 : 18,026.46 = 7,475.16 : x
  2. Step 2: Convert to fraction form
    13,062.36/18,026.46 = 7,475.16/x
  3. Step 3: Cross multiply
    13,062.36x = 18,026.46 × 7,475.16
  4. Step 4: Simplify right side
    13,062.36x = 134,750,672.73
  5. Step 5: Solve for x
    x = 134,750,672.73/13,062.36
  6. Step 6: Final answer
    x = 10,315.95

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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.