Home / 13,240.48-19,861.92-4,809.12

Finding the Fourth Proportional to 13,240.48, 19,861.92 and 4,809.12

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Solution

The fourth proportional to 13,240.48, 19,861.92 and 4,809.12 is: 7,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.48 : 19,861.92 = 4,809.12 : x
  2. Step 2: Convert to fraction form
    13,240.48/19,861.92 = 4,809.12/x
  3. Step 3: Cross multiply
    13,240.48x = 19,861.92 × 4,809.12
  4. Step 4: Simplify right side
    13,240.48x = 95,518,356.71
  5. Step 5: Solve for x
    x = 95,518,356.71/13,240.48
  6. Step 6: Final answer
    x = 7,214.12

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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.