Home / 19,888.06-29,841.79-9,359.12

Finding the Fourth Proportional to 19,888.06, 29,841.79 and 9,359.12

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Solution

The fourth proportional to 19,888.06, 29,841.79 and 9,359.12 is: 14,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.06 : 29,841.79 = 9,359.12 : x
  2. Step 2: Convert to fraction form
    19,888.06/29,841.79 = 9,359.12/x
  3. Step 3: Cross multiply
    19,888.06x = 29,841.79 × 9,359.12
  4. Step 4: Simplify right side
    19,888.06x = 279,292,721.02
  5. Step 5: Solve for x
    x = 279,292,721.02/19,888.06
  6. Step 6: Final answer
    x = 14,043.24

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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.