Home / 13,280.48-19,922.54-4,513.04

Finding the Fourth Proportional to 13,280.48, 19,922.54 and 4,513.04

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Solution

The fourth proportional to 13,280.48, 19,922.54 and 4,513.04 is: 6,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.48 : 19,922.54 = 4,513.04 : x
  2. Step 2: Convert to fraction form
    13,280.48/19,922.54 = 4,513.04/x
  3. Step 3: Cross multiply
    13,280.48x = 19,922.54 × 4,513.04
  4. Step 4: Simplify right side
    13,280.48x = 89,911,219.92
  5. Step 5: Solve for x
    x = 89,911,219.92/13,280.48
  6. Step 6: Final answer
    x = 6,770.18

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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.