Home / 21,088.11-31,632.18-6,297.30

Finding the Fourth Proportional to 21,088.11, 31,632.18 and 6,297.30

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Solution

The fourth proportional to 21,088.11, 31,632.18 and 6,297.30 is: 9,445.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,088.11 : 31,632.18 = 6,297.30 : x
  2. Step 2: Convert to fraction form
    21,088.11/31,632.18 = 6,297.30/x
  3. Step 3: Cross multiply
    21,088.11x = 31,632.18 × 6,297.30
  4. Step 4: Simplify right side
    21,088.11x = 199,197,327.11
  5. Step 5: Solve for x
    x = 199,197,327.11/21,088.11
  6. Step 6: Final answer
    x = 9,445.95

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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.