Home / 15,551.85-23,316.84-7,223.03

Finding the Fourth Proportional to 15,551.85, 23,316.84 and 7,223.03

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Solution

The fourth proportional to 15,551.85, 23,316.84 and 7,223.03 is: 10,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.85 : 23,316.84 = 7,223.03 : x
  2. Step 2: Convert to fraction form
    15,551.85/23,316.84 = 7,223.03/x
  3. Step 3: Cross multiply
    15,551.85x = 23,316.84 × 7,223.03
  4. Step 4: Simplify right side
    15,551.85x = 168,418,118.24
  5. Step 5: Solve for x
    x = 168,418,118.24/15,551.85
  6. Step 6: Final answer
    x = 10,829.46

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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.