Home / 22,030.65-30,395.05-12,469.58

Finding the Fourth Proportional to 22,030.65, 30,395.05 and 12,469.58

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Solution

The fourth proportional to 22,030.65, 30,395.05 and 12,469.58 is: 17,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.65 : 30,395.05 = 12,469.58 : x
  2. Step 2: Convert to fraction form
    22,030.65/30,395.05 = 12,469.58/x
  3. Step 3: Cross multiply
    22,030.65x = 30,395.05 × 12,469.58
  4. Step 4: Simplify right side
    22,030.65x = 379,013,566.64
  5. Step 5: Solve for x
    x = 379,013,566.64/22,030.65
  6. Step 6: Final answer
    x = 17,203.92

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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.