Home / 10,200.78-14,073.46-6,666.04

Finding the Fourth Proportional to 10,200.78, 14,073.46 and 6,666.04

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Solution

The fourth proportional to 10,200.78, 14,073.46 and 6,666.04 is: 9,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.78 : 14,073.46 = 6,666.04 : x
  2. Step 2: Convert to fraction form
    10,200.78/14,073.46 = 6,666.04/x
  3. Step 3: Cross multiply
    10,200.78x = 14,073.46 × 6,666.04
  4. Step 4: Simplify right side
    10,200.78x = 93,814,176.93
  5. Step 5: Solve for x
    x = 93,814,176.93/10,200.78
  6. Step 6: Final answer
    x = 9,196.77

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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.