Home / 21,074.17-31,615.35-6,282.76

Finding the Fourth Proportional to 21,074.17, 31,615.35 and 6,282.76

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Solution

The fourth proportional to 21,074.17, 31,615.35 and 6,282.76 is: 9,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074.17 : 31,615.35 = 6,282.76 : x
  2. Step 2: Convert to fraction form
    21,074.17/31,615.35 = 6,282.76/x
  3. Step 3: Cross multiply
    21,074.17x = 31,615.35 × 6,282.76
  4. Step 4: Simplify right side
    21,074.17x = 198,631,466.88
  5. Step 5: Solve for x
    x = 198,631,466.88/21,074.17
  6. Step 6: Final answer
    x = 9,425.35

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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.