Home / 20,160.80-30,207.33-10,152.24

Finding the Fourth Proportional to 20,160.80, 30,207.33 and 10,152.24

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Solution

The fourth proportional to 20,160.80, 30,207.33 and 10,152.24 is: 15,211.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.80 : 30,207.33 = 10,152.24 : x
  2. Step 2: Convert to fraction form
    20,160.80/30,207.33 = 10,152.24/x
  3. Step 3: Cross multiply
    20,160.80x = 30,207.33 × 10,152.24
  4. Step 4: Simplify right side
    20,160.80x = 306,671,950.64
  5. Step 5: Solve for x
    x = 306,671,950.64/20,160.80
  6. Step 6: Final answer
    x = 15,211.30

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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.