Home / 19,001.76-26,222.04-10,387.82

Finding the Fourth Proportional to 19,001.76, 26,222.04 and 10,387.82

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Solution

The fourth proportional to 19,001.76, 26,222.04 and 10,387.82 is: 14,334.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.76 : 26,222.04 = 10,387.82 : x
  2. Step 2: Convert to fraction form
    19,001.76/26,222.04 = 10,387.82/x
  3. Step 3: Cross multiply
    19,001.76x = 26,222.04 × 10,387.82
  4. Step 4: Simplify right side
    19,001.76x = 272,389,700.44
  5. Step 5: Solve for x
    x = 272,389,700.44/19,001.76
  6. Step 6: Final answer
    x = 14,334.97

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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.