Home / 20,858.16-31,287.29-5,063.13

Finding the Fourth Proportional to 20,858.16, 31,287.29 and 5,063.13

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Solution

The fourth proportional to 20,858.16, 31,287.29 and 5,063.13 is: 7,594.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,858.16 : 31,287.29 = 5,063.13 : x
  2. Step 2: Convert to fraction form
    20,858.16/31,287.29 = 5,063.13/x
  3. Step 3: Cross multiply
    20,858.16x = 31,287.29 × 5,063.13
  4. Step 4: Simplify right side
    20,858.16x = 158,411,616.62
  5. Step 5: Solve for x
    x = 158,411,616.62/20,858.16
  6. Step 6: Final answer
    x = 7,594.71

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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.