Home / 19,877.34-29,815.71-5,086.14

Finding the Fourth Proportional to 19,877.34, 29,815.71 and 5,086.14

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Solution

The fourth proportional to 19,877.34, 29,815.71 and 5,086.14 is: 7,629.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.34 : 29,815.71 = 5,086.14 : x
  2. Step 2: Convert to fraction form
    19,877.34/29,815.71 = 5,086.14/x
  3. Step 3: Cross multiply
    19,877.34x = 29,815.71 × 5,086.14
  4. Step 4: Simplify right side
    19,877.34x = 151,646,875.26
  5. Step 5: Solve for x
    x = 151,646,875.26/19,877.34
  6. Step 6: Final answer
    x = 7,629.13

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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.