Home / 19,768.75-27,280.63-10,816.12

Finding the Fourth Proportional to 19,768.75, 27,280.63 and 10,816.12

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Solution

The fourth proportional to 19,768.75, 27,280.63 and 10,816.12 is: 14,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.75 : 27,280.63 = 10,816.12 : x
  2. Step 2: Convert to fraction form
    19,768.75/27,280.63 = 10,816.12/x
  3. Step 3: Cross multiply
    19,768.75x = 27,280.63 × 10,816.12
  4. Step 4: Simplify right side
    19,768.75x = 295,070,567.76
  5. Step 5: Solve for x
    x = 295,070,567.76/19,768.75
  6. Step 6: Final answer
    x = 14,926.11

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Double scale
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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.