Home / 15,597.60-21,524.67-8,427.51

Finding the Fourth Proportional to 15,597.60, 21,524.67 and 8,427.51

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Solution

The fourth proportional to 15,597.60, 21,524.67 and 8,427.51 is: 11,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.60 : 21,524.67 = 8,427.51 : x
  2. Step 2: Convert to fraction form
    15,597.60/21,524.67 = 8,427.51/x
  3. Step 3: Cross multiply
    15,597.60x = 21,524.67 × 8,427.51
  4. Step 4: Simplify right side
    15,597.60x = 181,399,371.67
  5. Step 5: Solve for x
    x = 181,399,371.67/15,597.60
  6. Step 6: Final answer
    x = 11,629.95

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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.