Home / 10,265.91-14,161.86-6,630.70

Finding the Fourth Proportional to 10,265.91, 14,161.86 and 6,630.70

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Solution

The fourth proportional to 10,265.91, 14,161.86 and 6,630.70 is: 9,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.91 : 14,161.86 = 6,630.70 : x
  2. Step 2: Convert to fraction form
    10,265.91/14,161.86 = 6,630.70/x
  3. Step 3: Cross multiply
    10,265.91x = 14,161.86 × 6,630.70
  4. Step 4: Simplify right side
    10,265.91x = 93,903,037.94
  5. Step 5: Solve for x
    x = 93,903,037.94/10,265.91
  6. Step 6: Final answer
    x = 9,147.08

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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.