Home / 19,065.80-26,308.31-10,999.76

Finding the Fourth Proportional to 19,065.80, 26,308.31 and 10,999.76

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Solution

The fourth proportional to 19,065.80, 26,308.31 and 10,999.76 is: 15,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.80 : 26,308.31 = 10,999.76 : x
  2. Step 2: Convert to fraction form
    19,065.80/26,308.31 = 10,999.76/x
  3. Step 3: Cross multiply
    19,065.80x = 26,308.31 × 10,999.76
  4. Step 4: Simplify right side
    19,065.80x = 289,384,909.47
  5. Step 5: Solve for x
    x = 289,384,909.47/19,065.80
  6. Step 6: Final answer
    x = 15,178.22

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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.