Home / 10,065.15-15,092.84-4,220.19

Finding the Fourth Proportional to 10,065.15, 15,092.84 and 4,220.19

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Solution

The fourth proportional to 10,065.15, 15,092.84 and 4,220.19 is: 6,328.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.15 : 15,092.84 = 4,220.19 : x
  2. Step 2: Convert to fraction form
    10,065.15/15,092.84 = 4,220.19/x
  3. Step 3: Cross multiply
    10,065.15x = 15,092.84 × 4,220.19
  4. Step 4: Simplify right side
    10,065.15x = 63,694,631.34
  5. Step 5: Solve for x
    x = 63,694,631.34/10,065.15
  6. Step 6: Final answer
    x = 6,328.23

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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.