Home / 10,208.28-14,096.40-6,438.18

Finding the Fourth Proportional to 10,208.28, 14,096.40 and 6,438.18

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Solution

The fourth proportional to 10,208.28, 14,096.40 and 6,438.18 is: 8,890.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.28 : 14,096.40 = 6,438.18 : x
  2. Step 2: Convert to fraction form
    10,208.28/14,096.40 = 6,438.18/x
  3. Step 3: Cross multiply
    10,208.28x = 14,096.40 × 6,438.18
  4. Step 4: Simplify right side
    10,208.28x = 90,755,160.55
  5. Step 5: Solve for x
    x = 90,755,160.55/10,208.28
  6. Step 6: Final answer
    x = 8,890.35

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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.