Home / 13,434.48-20,146.42-5,110.08

Finding the Fourth Proportional to 13,434.48, 20,146.42 and 5,110.08

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Solution

The fourth proportional to 13,434.48, 20,146.42 and 5,110.08 is: 7,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.48 : 20,146.42 = 5,110.08 : x
  2. Step 2: Convert to fraction form
    13,434.48/20,146.42 = 5,110.08/x
  3. Step 3: Cross multiply
    13,434.48x = 20,146.42 × 5,110.08
  4. Step 4: Simplify right side
    13,434.48x = 102,949,817.91
  5. Step 5: Solve for x
    x = 102,949,817.91/13,434.48
  6. Step 6: Final answer
    x = 7,663.10

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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.