Home / 13,510.08-18,644.73-7,541.73

Finding the Fourth Proportional to 13,510.08, 18,644.73 and 7,541.73

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Solution

The fourth proportional to 13,510.08, 18,644.73 and 7,541.73 is: 10,408.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.08 : 18,644.73 = 7,541.73 : x
  2. Step 2: Convert to fraction form
    13,510.08/18,644.73 = 7,541.73/x
  3. Step 3: Cross multiply
    13,510.08x = 18,644.73 × 7,541.73
  4. Step 4: Simplify right side
    13,510.08x = 140,613,519.58
  5. Step 5: Solve for x
    x = 140,613,519.58/13,510.08
  6. Step 6: Final answer
    x = 10,408.04

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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.