Home / 15,298.84-21,122.82-10,270.60

Finding the Fourth Proportional to 15,298.84, 21,122.82 and 10,270.60

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Solution

The fourth proportional to 15,298.84, 21,122.82 and 10,270.60 is: 14,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,298.84 : 21,122.82 = 10,270.60 : x
  2. Step 2: Convert to fraction form
    15,298.84/21,122.82 = 10,270.60/x
  3. Step 3: Cross multiply
    15,298.84x = 21,122.82 × 10,270.60
  4. Step 4: Simplify right side
    15,298.84x = 216,944,035.09
  5. Step 5: Solve for x
    x = 216,944,035.09/15,298.84
  6. Step 6: Final answer
    x = 14,180.42

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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.