Home / 10,543.03-15,817.29-3,147.49

Finding the Fourth Proportional to 10,543.03, 15,817.29 and 3,147.49

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Solution

The fourth proportional to 10,543.03, 15,817.29 and 3,147.49 is: 4,722.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.03 : 15,817.29 = 3,147.49 : x
  2. Step 2: Convert to fraction form
    10,543.03/15,817.29 = 3,147.49/x
  3. Step 3: Cross multiply
    10,543.03x = 15,817.29 × 3,147.49
  4. Step 4: Simplify right side
    10,543.03x = 49,784,801.65
  5. Step 5: Solve for x
    x = 49,784,801.65/10,543.03
  6. Step 6: Final answer
    x = 4,722.06

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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.