Home / 15,326.47-21,142.57-10,292.46

Finding the Fourth Proportional to 15,326.47, 21,142.57 and 10,292.46

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Solution

The fourth proportional to 15,326.47, 21,142.57 and 10,292.46 is: 14,198.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326.47 : 21,142.57 = 10,292.46 : x
  2. Step 2: Convert to fraction form
    15,326.47/21,142.57 = 10,292.46/x
  3. Step 3: Cross multiply
    15,326.47x = 21,142.57 × 10,292.46
  4. Step 4: Simplify right side
    15,326.47x = 217,609,056.02
  5. Step 5: Solve for x
    x = 217,609,056.02/15,326.47
  6. Step 6: Final answer
    x = 14,198.25

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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.