Home / 21,194.64-31,790.49-6,403.63

Finding the Fourth Proportional to 21,194.64, 31,790.49 and 6,403.63

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Solution

The fourth proportional to 21,194.64, 31,790.49 and 6,403.63 is: 9,605.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.64 : 31,790.49 = 6,403.63 : x
  2. Step 2: Convert to fraction form
    21,194.64/31,790.49 = 6,403.63/x
  3. Step 3: Cross multiply
    21,194.64x = 31,790.49 × 6,403.63
  4. Step 4: Simplify right side
    21,194.64x = 203,574,503.46
  5. Step 5: Solve for x
    x = 203,574,503.46/21,194.64
  6. Step 6: Final answer
    x = 9,605.00

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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.