Home / 12,835.47-19,253.16-10,254.81

Finding the Fourth Proportional to 12,835.47, 19,253.16 and 10,254.81

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Solution

The fourth proportional to 12,835.47, 19,253.16 and 10,254.81 is: 15,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.47 : 19,253.16 = 10,254.81 : x
  2. Step 2: Convert to fraction form
    12,835.47/19,253.16 = 10,254.81/x
  3. Step 3: Cross multiply
    12,835.47x = 19,253.16 × 10,254.81
  4. Step 4: Simplify right side
    12,835.47x = 197,437,497.70
  5. Step 5: Solve for x
    x = 197,437,497.70/12,835.47
  6. Step 6: Final answer
    x = 15,382.18

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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.