Home / 19,901.47-27,464.16-10,948.75

Finding the Fourth Proportional to 19,901.47, 27,464.16 and 10,948.75

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Solution

The fourth proportional to 19,901.47, 27,464.16 and 10,948.75 is: 15,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.47 : 27,464.16 = 10,948.75 : x
  2. Step 2: Convert to fraction form
    19,901.47/27,464.16 = 10,948.75/x
  3. Step 3: Cross multiply
    19,901.47x = 27,464.16 × 10,948.75
  4. Step 4: Simplify right side
    19,901.47x = 300,698,221.80
  5. Step 5: Solve for x
    x = 300,698,221.80/19,901.47
  6. Step 6: Final answer
    x = 15,109.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.