Home / 15,889.32-21,928.68-9,601.56

Finding the Fourth Proportional to 15,889.32, 21,928.68 and 9,601.56

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Solution

The fourth proportional to 15,889.32, 21,928.68 and 9,601.56 is: 13,251.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889.32 : 21,928.68 = 9,601.56 : x
  2. Step 2: Convert to fraction form
    15,889.32/21,928.68 = 9,601.56/x
  3. Step 3: Cross multiply
    15,889.32x = 21,928.68 × 9,601.56
  4. Step 4: Simplify right side
    15,889.32x = 210,549,536.74
  5. Step 5: Solve for x
    x = 210,549,536.74/15,889.32
  6. Step 6: Final answer
    x = 13,251.01

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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.