Home / 15,555.38-23,325.71-5,159.84

Finding the Fourth Proportional to 15,555.38, 23,325.71 and 5,159.84

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Solution

The fourth proportional to 15,555.38, 23,325.71 and 5,159.84 is: 7,737.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.38 : 23,325.71 = 5,159.84 : x
  2. Step 2: Convert to fraction form
    15,555.38/23,325.71 = 5,159.84/x
  3. Step 3: Cross multiply
    15,555.38x = 23,325.71 × 5,159.84
  4. Step 4: Simplify right side
    15,555.38x = 120,356,789.06
  5. Step 5: Solve for x
    x = 120,356,789.06/15,555.38
  6. Step 6: Final answer
    x = 7,737.31

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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.