Home / 10,719.71-14,793.35-6,243.34

Finding the Fourth Proportional to 10,719.71, 14,793.35 and 6,243.34

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Solution

The fourth proportional to 10,719.71, 14,793.35 and 6,243.34 is: 8,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.71 : 14,793.35 = 6,243.34 : x
  2. Step 2: Convert to fraction form
    10,719.71/14,793.35 = 6,243.34/x
  3. Step 3: Cross multiply
    10,719.71x = 14,793.35 × 6,243.34
  4. Step 4: Simplify right side
    10,719.71x = 92,359,913.79
  5. Step 5: Solve for x
    x = 92,359,913.79/10,719.71
  6. Step 6: Final answer
    x = 8,615.90

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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.