Home / 12,510.58-17,244.75-9,853.78

Finding the Fourth Proportional to 12,510.58, 17,244.75 and 9,853.78

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Solution

The fourth proportional to 12,510.58, 17,244.75 and 9,853.78 is: 13,582.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.58 : 17,244.75 = 9,853.78 : x
  2. Step 2: Convert to fraction form
    12,510.58/17,244.75 = 9,853.78/x
  3. Step 3: Cross multiply
    12,510.58x = 17,244.75 × 9,853.78
  4. Step 4: Simplify right side
    12,510.58x = 169,925,972.66
  5. Step 5: Solve for x
    x = 169,925,972.66/12,510.58
  6. Step 6: Final answer
    x = 13,582.58

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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.