Home / 15,886.20-21,923.54-9,597.36

Finding the Fourth Proportional to 15,886.20, 21,923.54 and 9,597.36

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Solution

The fourth proportional to 15,886.20, 21,923.54 and 9,597.36 is: 13,244.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,886.20 : 21,923.54 = 9,597.36 : x
  2. Step 2: Convert to fraction form
    15,886.20/21,923.54 = 9,597.36/x
  3. Step 3: Cross multiply
    15,886.20x = 21,923.54 × 9,597.36
  4. Step 4: Simplify right side
    15,886.20x = 210,408,230.06
  5. Step 5: Solve for x
    x = 210,408,230.06/15,886.20
  6. Step 6: Final answer
    x = 13,244.71

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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.