Home / 9,432.78-13,015.11-5,453.19

Finding the Fourth Proportional to 9,432.78, 13,015.11 and 5,453.19

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Solution

The fourth proportional to 9,432.78, 13,015.11 and 5,453.19 is: 7,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.78 : 13,015.11 = 5,453.19 : x
  2. Step 2: Convert to fraction form
    9,432.78/13,015.11 = 5,453.19/x
  3. Step 3: Cross multiply
    9,432.78x = 13,015.11 × 5,453.19
  4. Step 4: Simplify right side
    9,432.78x = 70,973,867.70
  5. Step 5: Solve for x
    x = 70,973,867.70/9,432.78
  6. Step 6: Final answer
    x = 7,524.17

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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.