Home / 10,281.04-15,331.37-10,187.54

Finding the Fourth Proportional to 10,281.04, 15,331.37 and 10,187.54

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Solution

The fourth proportional to 10,281.04, 15,331.37 and 10,187.54 is: 15,191.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.04 : 15,331.37 = 10,187.54 : x
  2. Step 2: Convert to fraction form
    10,281.04/15,331.37 = 10,187.54/x
  3. Step 3: Cross multiply
    10,281.04x = 15,331.37 × 10,187.54
  4. Step 4: Simplify right side
    10,281.04x = 156,188,945.13
  5. Step 5: Solve for x
    x = 156,188,945.13/10,281.04
  6. Step 6: Final answer
    x = 15,191.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.