Home / 15,555.75-23,333.63-5,167.50

Finding the Fourth Proportional to 15,555.75, 23,333.63 and 5,167.50

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Solution

The fourth proportional to 15,555.75, 23,333.63 and 5,167.50 is: 7,751.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.75 : 23,333.63 = 5,167.50 : x
  2. Step 2: Convert to fraction form
    15,555.75/23,333.63 = 5,167.50/x
  3. Step 3: Cross multiply
    15,555.75x = 23,333.63 × 5,167.50
  4. Step 4: Simplify right side
    15,555.75x = 120,576,507.19
  5. Step 5: Solve for x
    x = 120,576,507.19/15,555.75
  6. Step 6: Final answer
    x = 7,751.25

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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.