Home / 10,014.23-15,015-5,331.35

Finding the Fourth Proportional to 10,014.23, 15,015 and 5,331.35

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Solution

The fourth proportional to 10,014.23, 15,015 and 5,331.35 is: 7,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.23 : 15,015 = 5,331.35 : x
  2. Step 2: Convert to fraction form
    10,014.23/15,015 = 5,331.35/x
  3. Step 3: Cross multiply
    10,014.23x = 15,015 × 5,331.35
  4. Step 4: Simplify right side
    10,014.23x = 80,050,220.25
  5. Step 5: Solve for x
    x = 80,050,220.25/10,014.23
  6. Step 6: Final answer
    x = 7,993.65

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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.