Home / 15,441.87-21,301.92-9,767.08

Finding the Fourth Proportional to 15,441.87, 21,301.92 and 9,767.08

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Solution

The fourth proportional to 15,441.87, 21,301.92 and 9,767.08 is: 13,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.87 : 21,301.92 = 9,767.08 : x
  2. Step 2: Convert to fraction form
    15,441.87/21,301.92 = 9,767.08/x
  3. Step 3: Cross multiply
    15,441.87x = 21,301.92 × 9,767.08
  4. Step 4: Simplify right side
    15,441.87x = 208,057,583.42
  5. Step 5: Solve for x
    x = 208,057,583.42/15,441.87
  6. Step 6: Final answer
    x = 13,473.60

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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.