Home / 21,326.56-31,995.66-6,535.15

Finding the Fourth Proportional to 21,326.56, 31,995.66 and 6,535.15

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Solution

The fourth proportional to 21,326.56, 31,995.66 and 6,535.15 is: 9,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,326.56 : 31,995.66 = 6,535.15 : x
  2. Step 2: Convert to fraction form
    21,326.56/31,995.66 = 6,535.15/x
  3. Step 3: Cross multiply
    21,326.56x = 31,995.66 × 6,535.15
  4. Step 4: Simplify right side
    21,326.56x = 209,096,437.45
  5. Step 5: Solve for x
    x = 209,096,437.45/21,326.56
  6. Step 6: Final answer
    x = 9,804.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.