Home / 19,926.20-27,498.16-10,973.68

Finding the Fourth Proportional to 19,926.20, 27,498.16 and 10,973.68

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Solution

The fourth proportional to 19,926.20, 27,498.16 and 10,973.68 is: 15,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.20 : 27,498.16 = 10,973.68 : x
  2. Step 2: Convert to fraction form
    19,926.20/27,498.16 = 10,973.68/x
  3. Step 3: Cross multiply
    19,926.20x = 27,498.16 × 10,973.68
  4. Step 4: Simplify right side
    19,926.20x = 301,756,008.43
  5. Step 5: Solve for x
    x = 301,756,008.43/19,926.20
  6. Step 6: Final answer
    x = 15,143.68

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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.