Home / 13,438.92-18,535.62-9,461.16

Finding the Fourth Proportional to 13,438.92, 18,535.62 and 9,461.16

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Solution

The fourth proportional to 13,438.92, 18,535.62 and 9,461.16 is: 13,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438.92 : 18,535.62 = 9,461.16 : x
  2. Step 2: Convert to fraction form
    13,438.92/18,535.62 = 9,461.16/x
  3. Step 3: Cross multiply
    13,438.92x = 18,535.62 × 9,461.16
  4. Step 4: Simplify right side
    13,438.92x = 175,368,466.52
  5. Step 5: Solve for x
    x = 175,368,466.52/13,438.92
  6. Step 6: Final answer
    x = 13,049.30

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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.