Home / 11,389.44-16,988.48-10,339.52

Finding the Fourth Proportional to 11,389.44, 16,988.48 and 10,339.52

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Solution

The fourth proportional to 11,389.44, 16,988.48 and 10,339.52 is: 15,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.44 : 16,988.48 = 10,339.52 : x
  2. Step 2: Convert to fraction form
    11,389.44/16,988.48 = 10,339.52/x
  3. Step 3: Cross multiply
    11,389.44x = 16,988.48 × 10,339.52
  4. Step 4: Simplify right side
    11,389.44x = 175,652,728.73
  5. Step 5: Solve for x
    x = 175,652,728.73/11,389.44
  6. Step 6: Final answer
    x = 15,422.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.