Home / 12,556.90-18,823.80-4,343.14

Finding the Fourth Proportional to 12,556.90, 18,823.80 and 4,343.14

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Solution

The fourth proportional to 12,556.90, 18,823.80 and 4,343.14 is: 6,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.90 : 18,823.80 = 4,343.14 : x
  2. Step 2: Convert to fraction form
    12,556.90/18,823.80 = 4,343.14/x
  3. Step 3: Cross multiply
    12,556.90x = 18,823.80 × 4,343.14
  4. Step 4: Simplify right side
    12,556.90x = 81,754,398.73
  5. Step 5: Solve for x
    x = 81,754,398.73/12,556.90
  6. Step 6: Final answer
    x = 6,510.72

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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.