Home / 21,159.11-31,739.02-10,063.56

Finding the Fourth Proportional to 21,159.11, 31,739.02 and 10,063.56

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Solution

The fourth proportional to 21,159.11, 31,739.02 and 10,063.56 is: 15,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,159.11 : 31,739.02 = 10,063.56 : x
  2. Step 2: Convert to fraction form
    21,159.11/31,739.02 = 10,063.56/x
  3. Step 3: Cross multiply
    21,159.11x = 31,739.02 × 10,063.56
  4. Step 4: Simplify right side
    21,159.11x = 319,407,532.11
  5. Step 5: Solve for x
    x = 319,407,532.11/21,159.11
  6. Step 6: Final answer
    x = 15,095.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.