Home / 13,522.95-18,655.11-9,535.32

Finding the Fourth Proportional to 13,522.95, 18,655.11 and 9,535.32

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Solution

The fourth proportional to 13,522.95, 18,655.11 and 9,535.32 is: 13,154.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.95 : 18,655.11 = 9,535.32 : x
  2. Step 2: Convert to fraction form
    13,522.95/18,655.11 = 9,535.32/x
  3. Step 3: Cross multiply
    13,522.95x = 18,655.11 × 9,535.32
  4. Step 4: Simplify right side
    13,522.95x = 177,882,443.49
  5. Step 5: Solve for x
    x = 177,882,443.49/13,522.95
  6. Step 6: Final answer
    x = 13,154.12

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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.