Home / 21,254.29-31,880.28-6,462.06

Finding the Fourth Proportional to 21,254.29, 31,880.28 and 6,462.06

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Solution

The fourth proportional to 21,254.29, 31,880.28 and 6,462.06 is: 9,692.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254.29 : 31,880.28 = 6,462.06 : x
  2. Step 2: Convert to fraction form
    21,254.29/31,880.28 = 6,462.06/x
  3. Step 3: Cross multiply
    21,254.29x = 31,880.28 × 6,462.06
  4. Step 4: Simplify right side
    21,254.29x = 206,012,186.86
  5. Step 5: Solve for x
    x = 206,012,186.86/21,254.29
  6. Step 6: Final answer
    x = 9,692.73

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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.