Home / 13,432.03-18,534.02-7,463.54

Finding the Fourth Proportional to 13,432.03, 18,534.02 and 7,463.54

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Solution

The fourth proportional to 13,432.03, 18,534.02 and 7,463.54 is: 10,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.03 : 18,534.02 = 7,463.54 : x
  2. Step 2: Convert to fraction form
    13,432.03/18,534.02 = 7,463.54/x
  3. Step 3: Cross multiply
    13,432.03x = 18,534.02 × 7,463.54
  4. Step 4: Simplify right side
    13,432.03x = 138,329,408.65
  5. Step 5: Solve for x
    x = 138,329,408.65/13,432.03
  6. Step 6: Final answer
    x = 10,298.48

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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.