Home / 18,319.65-25,284.80-10,768.42

Finding the Fourth Proportional to 18,319.65, 25,284.80 and 10,768.42

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Solution

The fourth proportional to 18,319.65, 25,284.80 and 10,768.42 is: 14,862.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.65 : 25,284.80 = 10,768.42 : x
  2. Step 2: Convert to fraction form
    18,319.65/25,284.80 = 10,768.42/x
  3. Step 3: Cross multiply
    18,319.65x = 25,284.80 × 10,768.42
  4. Step 4: Simplify right side
    18,319.65x = 272,277,346.02
  5. Step 5: Solve for x
    x = 272,277,346.02/18,319.65
  6. Step 6: Final answer
    x = 14,862.58

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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.