Home / 19,053.70-26,294.05-10,987.31

Finding the Fourth Proportional to 19,053.70, 26,294.05 and 10,987.31

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Solution

The fourth proportional to 19,053.70, 26,294.05 and 10,987.31 is: 15,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053.70 : 26,294.05 = 10,987.31 : x
  2. Step 2: Convert to fraction form
    19,053.70/26,294.05 = 10,987.31/x
  3. Step 3: Cross multiply
    19,053.70x = 26,294.05 × 10,987.31
  4. Step 4: Simplify right side
    19,053.70x = 288,900,957.97
  5. Step 5: Solve for x
    x = 288,900,957.97/19,053.70
  6. Step 6: Final answer
    x = 15,162.46

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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.