Home / 15,211.89-22,808.52-5,352.30

Finding the Fourth Proportional to 15,211.89, 22,808.52 and 5,352.30

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Solution

The fourth proportional to 15,211.89, 22,808.52 and 5,352.30 is: 8,025.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,211.89 : 22,808.52 = 5,352.30 : x
  2. Step 2: Convert to fraction form
    15,211.89/22,808.52 = 5,352.30/x
  3. Step 3: Cross multiply
    15,211.89x = 22,808.52 × 5,352.30
  4. Step 4: Simplify right side
    15,211.89x = 122,078,041.60
  5. Step 5: Solve for x
    x = 122,078,041.60/15,211.89
  6. Step 6: Final answer
    x = 8,025.17

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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.