Home / 19,810.20-29,696.79-9,937.92

Finding the Fourth Proportional to 19,810.20, 29,696.79 and 9,937.92

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Solution

The fourth proportional to 19,810.20, 29,696.79 and 9,937.92 is: 14,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.20 : 29,696.79 = 9,937.92 : x
  2. Step 2: Convert to fraction form
    19,810.20/29,696.79 = 9,937.92/x
  3. Step 3: Cross multiply
    19,810.20x = 29,696.79 × 9,937.92
  4. Step 4: Simplify right side
    19,810.20x = 295,124,323.28
  5. Step 5: Solve for x
    x = 295,124,323.28/19,810.20
  6. Step 6: Final answer
    x = 14,897.59

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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.