Home / 19,909.86-27,477.28-10,959.06

Finding the Fourth Proportional to 19,909.86, 27,477.28 and 10,959.06

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Solution

The fourth proportional to 19,909.86, 27,477.28 and 10,959.06 is: 15,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.86 : 27,477.28 = 10,959.06 : x
  2. Step 2: Convert to fraction form
    19,909.86/27,477.28 = 10,959.06/x
  3. Step 3: Cross multiply
    19,909.86x = 27,477.28 × 10,959.06
  4. Step 4: Simplify right side
    19,909.86x = 301,125,160.16
  5. Step 5: Solve for x
    x = 301,125,160.16/19,909.86
  6. Step 6: Final answer
    x = 15,124.42

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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.