Home / 19,909.47-27,476.91-10,958.79

Finding the Fourth Proportional to 19,909.47, 27,476.91 and 10,958.79

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Solution

The fourth proportional to 19,909.47, 27,476.91 and 10,958.79 is: 15,124.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.47 : 27,476.91 = 10,958.79 : x
  2. Step 2: Convert to fraction form
    19,909.47/27,476.91 = 10,958.79/x
  3. Step 3: Cross multiply
    19,909.47x = 27,476.91 × 10,958.79
  4. Step 4: Simplify right side
    19,909.47x = 301,113,686.54
  5. Step 5: Solve for x
    x = 301,113,686.54/19,909.47
  6. Step 6: Final answer
    x = 15,124.14

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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.