Home / 15,579.69-21,523.49-10,214.92

Finding the Fourth Proportional to 15,579.69, 21,523.49 and 10,214.92

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Solution

The fourth proportional to 15,579.69, 21,523.49 and 10,214.92 is: 14,112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.69 : 21,523.49 = 10,214.92 : x
  2. Step 2: Convert to fraction form
    15,579.69/21,523.49 = 10,214.92/x
  3. Step 3: Cross multiply
    15,579.69x = 21,523.49 × 10,214.92
  4. Step 4: Simplify right side
    15,579.69x = 219,860,728.47
  5. Step 5: Solve for x
    x = 219,860,728.47/15,579.69
  6. Step 6: Final answer
    x = 14,112.01

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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.