Home / 12,924.18-17,830.80-7,335.18

Finding the Fourth Proportional to 12,924.18, 17,830.80 and 7,335.18

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Solution

The fourth proportional to 12,924.18, 17,830.80 and 7,335.18 is: 10,119.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924.18 : 17,830.80 = 7,335.18 : x
  2. Step 2: Convert to fraction form
    12,924.18/17,830.80 = 7,335.18/x
  3. Step 3: Cross multiply
    12,924.18x = 17,830.80 × 7,335.18
  4. Step 4: Simplify right side
    12,924.18x = 130,792,127.54
  5. Step 5: Solve for x
    x = 130,792,127.54/12,924.18
  6. Step 6: Final answer
    x = 10,119.96

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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.