Home / 21,085.34-31,632.77-6,293.70

Finding the Fourth Proportional to 21,085.34, 31,632.77 and 6,293.70

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Solution

The fourth proportional to 21,085.34, 31,632.77 and 6,293.70 is: 9,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,085.34 : 31,632.77 = 6,293.70 : x
  2. Step 2: Convert to fraction form
    21,085.34/31,632.77 = 6,293.70/x
  3. Step 3: Cross multiply
    21,085.34x = 31,632.77 × 6,293.70
  4. Step 4: Simplify right side
    21,085.34x = 199,087,180.28
  5. Step 5: Solve for x
    x = 199,087,180.28/21,085.34
  6. Step 6: Final answer
    x = 9,441.97

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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.