Home / 22,389.78-33,555.93-9,251.40

Finding the Fourth Proportional to 22,389.78, 33,555.93 and 9,251.40

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Solution

The fourth proportional to 22,389.78, 33,555.93 and 9,251.40 is: 13,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,389.78 : 33,555.93 = 9,251.40 : x
  2. Step 2: Convert to fraction form
    22,389.78/33,555.93 = 9,251.40/x
  3. Step 3: Cross multiply
    22,389.78x = 33,555.93 × 9,251.40
  4. Step 4: Simplify right side
    22,389.78x = 310,439,330.80
  5. Step 5: Solve for x
    x = 310,439,330.80/22,389.78
  6. Step 6: Final answer
    x = 13,865.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.