Home / 21,163.95-31,752.27-6,373.35

Finding the Fourth Proportional to 21,163.95, 31,752.27 and 6,373.35

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Solution

The fourth proportional to 21,163.95, 31,752.27 and 6,373.35 is: 9,561.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,163.95 : 31,752.27 = 6,373.35 : x
  2. Step 2: Convert to fraction form
    21,163.95/31,752.27 = 6,373.35/x
  3. Step 3: Cross multiply
    21,163.95x = 31,752.27 × 6,373.35
  4. Step 4: Simplify right side
    21,163.95x = 202,368,330.00
  5. Step 5: Solve for x
    x = 202,368,330.00/21,163.95
  6. Step 6: Final answer
    x = 9,561.94

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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.