Home / 19,897.30-27,458.95-10,945.18

Finding the Fourth Proportional to 19,897.30, 27,458.95 and 10,945.18

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Solution

The fourth proportional to 19,897.30, 27,458.95 and 10,945.18 is: 15,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897.30 : 27,458.95 = 10,945.18 : x
  2. Step 2: Convert to fraction form
    19,897.30/27,458.95 = 10,945.18/x
  3. Step 3: Cross multiply
    19,897.30x = 27,458.95 × 10,945.18
  4. Step 4: Simplify right side
    19,897.30x = 300,543,023.39
  5. Step 5: Solve for x
    x = 300,543,023.39/19,897.30
  6. Step 6: Final answer
    x = 15,104.72

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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.