Home / 15,555.56-23,320.12-7,240.41

Finding the Fourth Proportional to 15,555.56, 23,320.12 and 7,240.41

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Solution

The fourth proportional to 15,555.56, 23,320.12 and 7,240.41 is: 10,854.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.56 : 23,320.12 = 7,240.41 : x
  2. Step 2: Convert to fraction form
    15,555.56/23,320.12 = 7,240.41/x
  3. Step 3: Cross multiply
    15,555.56x = 23,320.12 × 7,240.41
  4. Step 4: Simplify right side
    15,555.56x = 168,847,230.05
  5. Step 5: Solve for x
    x = 168,847,230.05/15,555.56
  6. Step 6: Final answer
    x = 10,854.46

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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.