Home / 15,583.80-23,375.70-10,918.20

Finding the Fourth Proportional to 15,583.80, 23,375.70 and 10,918.20

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Solution

The fourth proportional to 15,583.80, 23,375.70 and 10,918.20 is: 16,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.80 : 23,375.70 = 10,918.20 : x
  2. Step 2: Convert to fraction form
    15,583.80/23,375.70 = 10,918.20/x
  3. Step 3: Cross multiply
    15,583.80x = 23,375.70 × 10,918.20
  4. Step 4: Simplify right side
    15,583.80x = 255,220,567.74
  5. Step 5: Solve for x
    x = 255,220,567.74/15,583.80
  6. Step 6: Final answer
    x = 16,377.30

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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.