Home / 15,082.22-20,804.91-9,483.50

Finding the Fourth Proportional to 15,082.22, 20,804.91 and 9,483.50

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Solution

The fourth proportional to 15,082.22, 20,804.91 and 9,483.50 is: 13,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,082.22 : 20,804.91 = 9,483.50 : x
  2. Step 2: Convert to fraction form
    15,082.22/20,804.91 = 9,483.50/x
  3. Step 3: Cross multiply
    15,082.22x = 20,804.91 × 9,483.50
  4. Step 4: Simplify right side
    15,082.22x = 197,303,363.99
  5. Step 5: Solve for x
    x = 197,303,363.99/15,082.22
  6. Step 6: Final answer
    x = 13,081.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.