Home / 21,854.19-32,780.41-6,271.81

Finding the Fourth Proportional to 21,854.19, 32,780.41 and 6,271.81

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Solution

The fourth proportional to 21,854.19, 32,780.41 and 6,271.81 is: 9,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,854.19 : 32,780.41 = 6,271.81 : x
  2. Step 2: Convert to fraction form
    21,854.19/32,780.41 = 6,271.81/x
  3. Step 3: Cross multiply
    21,854.19x = 32,780.41 × 6,271.81
  4. Step 4: Simplify right side
    21,854.19x = 205,592,503.24
  5. Step 5: Solve for x
    x = 205,592,503.24/21,854.19
  6. Step 6: Final answer
    x = 9,407.46

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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.