Home / 13,438.30-20,147.85-6,036.70

Finding the Fourth Proportional to 13,438.30, 20,147.85 and 6,036.70

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Solution

The fourth proportional to 13,438.30, 20,147.85 and 6,036.70 is: 9,050.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438.30 : 20,147.85 = 6,036.70 : x
  2. Step 2: Convert to fraction form
    13,438.30/20,147.85 = 6,036.70/x
  3. Step 3: Cross multiply
    13,438.30x = 20,147.85 × 6,036.70
  4. Step 4: Simplify right side
    13,438.30x = 121,626,526.10
  5. Step 5: Solve for x
    x = 121,626,526.10/13,438.30
  6. Step 6: Final answer
    x = 9,050.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.