Home / 12,435.36-17,126.01-10,320

Finding the Fourth Proportional to 12,435.36, 17,126.01 and 10,320

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Solution

The fourth proportional to 12,435.36, 17,126.01 and 10,320 is: 14,212.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.36 : 17,126.01 = 10,320 : x
  2. Step 2: Convert to fraction form
    12,435.36/17,126.01 = 10,320/x
  3. Step 3: Cross multiply
    12,435.36x = 17,126.01 × 10,320
  4. Step 4: Simplify right side
    12,435.36x = 176,740,423.20
  5. Step 5: Solve for x
    x = 176,740,423.20/12,435.36
  6. Step 6: Final answer
    x = 14,212.73

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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.