Home / 10,341.78-14,274.21-6,613.62

Finding the Fourth Proportional to 10,341.78, 14,274.21 and 6,613.62

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Solution

The fourth proportional to 10,341.78, 14,274.21 and 6,613.62 is: 9,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.78 : 14,274.21 = 6,613.62 : x
  2. Step 2: Convert to fraction form
    10,341.78/14,274.21 = 6,613.62/x
  3. Step 3: Cross multiply
    10,341.78x = 14,274.21 × 6,613.62
  4. Step 4: Simplify right side
    10,341.78x = 94,404,200.74
  5. Step 5: Solve for x
    x = 94,404,200.74/10,341.78
  6. Step 6: Final answer
    x = 9,128.43

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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.