Home / 10,394.39-14,343.40-5,857.45

Finding the Fourth Proportional to 10,394.39, 14,343.40 and 5,857.45

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Solution

The fourth proportional to 10,394.39, 14,343.40 and 5,857.45 is: 8,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.39 : 14,343.40 = 5,857.45 : x
  2. Step 2: Convert to fraction form
    10,394.39/14,343.40 = 5,857.45/x
  3. Step 3: Cross multiply
    10,394.39x = 14,343.40 × 5,857.45
  4. Step 4: Simplify right side
    10,394.39x = 84,015,748.33
  5. Step 5: Solve for x
    x = 84,015,748.33/10,394.39
  6. Step 6: Final answer
    x = 8,082.80

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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.