Home / 21,305.44-31,948.84-6,510.96

Finding the Fourth Proportional to 21,305.44, 31,948.84 and 6,510.96

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Solution

The fourth proportional to 21,305.44, 31,948.84 and 6,510.96 is: 9,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,305.44 : 31,948.84 = 6,510.96 : x
  2. Step 2: Convert to fraction form
    21,305.44/31,948.84 = 6,510.96/x
  3. Step 3: Cross multiply
    21,305.44x = 31,948.84 × 6,510.96
  4. Step 4: Simplify right side
    21,305.44x = 208,017,619.29
  5. Step 5: Solve for x
    x = 208,017,619.29/21,305.44
  6. Step 6: Final answer
    x = 9,763.59

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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.