Home / 19,886.48-27,444-10,934.30

Finding the Fourth Proportional to 19,886.48, 27,444 and 10,934.30

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Solution

The fourth proportional to 19,886.48, 27,444 and 10,934.30 is: 15,089.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.48 : 27,444 = 10,934.30 : x
  2. Step 2: Convert to fraction form
    19,886.48/27,444 = 10,934.30/x
  3. Step 3: Cross multiply
    19,886.48x = 27,444 × 10,934.30
  4. Step 4: Simplify right side
    19,886.48x = 300,080,929.20
  5. Step 5: Solve for x
    x = 300,080,929.20/19,886.48
  6. Step 6: Final answer
    x = 15,089.70

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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.