Home / 12,798.84-17,660.26-7,132.35

Finding the Fourth Proportional to 12,798.84, 17,660.26 and 7,132.35

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Solution

The fourth proportional to 12,798.84, 17,660.26 and 7,132.35 is: 9,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798.84 : 17,660.26 = 7,132.35 : x
  2. Step 2: Convert to fraction form
    12,798.84/17,660.26 = 7,132.35/x
  3. Step 3: Cross multiply
    12,798.84x = 17,660.26 × 7,132.35
  4. Step 4: Simplify right side
    12,798.84x = 125,959,120.18
  5. Step 5: Solve for x
    x = 125,959,120.18/12,798.84
  6. Step 6: Final answer
    x = 9,841.45

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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.