Home / 10,731.12-14,809.50-6,194.40

Finding the Fourth Proportional to 10,731.12, 14,809.50 and 6,194.40

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Solution

The fourth proportional to 10,731.12, 14,809.50 and 6,194.40 is: 8,548.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.12 : 14,809.50 = 6,194.40 : x
  2. Step 2: Convert to fraction form
    10,731.12/14,809.50 = 6,194.40/x
  3. Step 3: Cross multiply
    10,731.12x = 14,809.50 × 6,194.40
  4. Step 4: Simplify right side
    10,731.12x = 91,735,966.80
  5. Step 5: Solve for x
    x = 91,735,966.80/10,731.12
  6. Step 6: Final answer
    x = 8,548.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.