Home / 10,224.46-14,106.08-6,689.72

Finding the Fourth Proportional to 10,224.46, 14,106.08 and 6,689.72

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Solution

The fourth proportional to 10,224.46, 14,106.08 and 6,689.72 is: 9,229.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,224.46 : 14,106.08 = 6,689.72 : x
  2. Step 2: Convert to fraction form
    10,224.46/14,106.08 = 6,689.72/x
  3. Step 3: Cross multiply
    10,224.46x = 14,106.08 × 6,689.72
  4. Step 4: Simplify right side
    10,224.46x = 94,365,777.49
  5. Step 5: Solve for x
    x = 94,365,777.49/10,224.46
  6. Step 6: Final answer
    x = 9,229.41

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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.