Home / 10,346.42-14,278.08-5,630.70

Finding the Fourth Proportional to 10,346.42, 14,278.08 and 5,630.70

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Solution

The fourth proportional to 10,346.42, 14,278.08 and 5,630.70 is: 7,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.42 : 14,278.08 = 5,630.70 : x
  2. Step 2: Convert to fraction form
    10,346.42/14,278.08 = 5,630.70/x
  3. Step 3: Cross multiply
    10,346.42x = 14,278.08 × 5,630.70
  4. Step 4: Simplify right side
    10,346.42x = 80,395,585.06
  5. Step 5: Solve for x
    x = 80,395,585.06/10,346.42
  6. Step 6: Final answer
    x = 7,770.38

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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.