Home / 18,297.36-25,250.32-9,913.88

Finding the Fourth Proportional to 18,297.36, 25,250.32 and 9,913.88

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Solution

The fourth proportional to 18,297.36, 25,250.32 and 9,913.88 is: 13,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.36 : 25,250.32 = 9,913.88 : x
  2. Step 2: Convert to fraction form
    18,297.36/25,250.32 = 9,913.88/x
  3. Step 3: Cross multiply
    18,297.36x = 25,250.32 × 9,913.88
  4. Step 4: Simplify right side
    18,297.36x = 250,328,642.44
  5. Step 5: Solve for x
    x = 250,328,642.44/18,297.36
  6. Step 6: Final answer
    x = 13,681.13

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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.