Home / 10,187.42-15,283.33-3,167.30

Finding the Fourth Proportional to 10,187.42, 15,283.33 and 3,167.30

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Solution

The fourth proportional to 10,187.42, 15,283.33 and 3,167.30 is: 4,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.42 : 15,283.33 = 3,167.30 : x
  2. Step 2: Convert to fraction form
    10,187.42/15,283.33 = 3,167.30/x
  3. Step 3: Cross multiply
    10,187.42x = 15,283.33 × 3,167.30
  4. Step 4: Simplify right side
    10,187.42x = 48,406,939.22
  5. Step 5: Solve for x
    x = 48,406,939.22/10,187.42
  6. Step 6: Final answer
    x = 4,751.64

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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.