Home / 15,806.14-21,819.58-10,066.07

Finding the Fourth Proportional to 15,806.14, 21,819.58 and 10,066.07

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Solution

The fourth proportional to 15,806.14, 21,819.58 and 10,066.07 is: 13,895.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,806.14 : 21,819.58 = 10,066.07 : x
  2. Step 2: Convert to fraction form
    15,806.14/21,819.58 = 10,066.07/x
  3. Step 3: Cross multiply
    15,806.14x = 21,819.58 × 10,066.07
  4. Step 4: Simplify right side
    15,806.14x = 219,637,449.03
  5. Step 5: Solve for x
    x = 219,637,449.03/15,806.14
  6. Step 6: Final answer
    x = 13,895.71

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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.