Home / 18,445.04-25,461.78-13,968.80

Finding the Fourth Proportional to 18,445.04, 25,461.78 and 13,968.80

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Solution

The fourth proportional to 18,445.04, 25,461.78 and 13,968.80 is: 19,282.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.04 : 25,461.78 = 13,968.80 : x
  2. Step 2: Convert to fraction form
    18,445.04/25,461.78 = 13,968.80/x
  3. Step 3: Cross multiply
    18,445.04x = 25,461.78 × 13,968.80
  4. Step 4: Simplify right side
    18,445.04x = 355,670,512.46
  5. Step 5: Solve for x
    x = 355,670,512.46/18,445.04
  6. Step 6: Final answer
    x = 19,282.72

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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.