Home / 15,292.32-21,083.67-10,257.36

Finding the Fourth Proportional to 15,292.32, 21,083.67 and 10,257.36

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Solution

The fourth proportional to 15,292.32, 21,083.67 and 10,257.36 is: 14,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292.32 : 21,083.67 = 10,257.36 : x
  2. Step 2: Convert to fraction form
    15,292.32/21,083.67 = 10,257.36/x
  3. Step 3: Cross multiply
    15,292.32x = 21,083.67 × 10,257.36
  4. Step 4: Simplify right side
    15,292.32x = 216,262,793.31
  5. Step 5: Solve for x
    x = 216,262,793.31/15,292.32
  6. Step 6: Final answer
    x = 14,141.92

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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.