Home / 13,482.32-20,210.72-4,711.57

Finding the Fourth Proportional to 13,482.32, 20,210.72 and 4,711.57

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Solution

The fourth proportional to 13,482.32, 20,210.72 and 4,711.57 is: 7,062.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.32 : 20,210.72 = 4,711.57 : x
  2. Step 2: Convert to fraction form
    13,482.32/20,210.72 = 4,711.57/x
  3. Step 3: Cross multiply
    13,482.32x = 20,210.72 × 4,711.57
  4. Step 4: Simplify right side
    13,482.32x = 95,224,147.95
  5. Step 5: Solve for x
    x = 95,224,147.95/13,482.32
  6. Step 6: Final answer
    x = 7,062.89

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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.