Home / 10,367.58-14,306.79-6,389.07

Finding the Fourth Proportional to 10,367.58, 14,306.79 and 6,389.07

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Solution

The fourth proportional to 10,367.58, 14,306.79 and 6,389.07 is: 8,816.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.58 : 14,306.79 = 6,389.07 : x
  2. Step 2: Convert to fraction form
    10,367.58/14,306.79 = 6,389.07/x
  3. Step 3: Cross multiply
    10,367.58x = 14,306.79 × 6,389.07
  4. Step 4: Simplify right side
    10,367.58x = 91,407,082.79
  5. Step 5: Solve for x
    x = 91,407,082.79/10,367.58
  6. Step 6: Final answer
    x = 8,816.63

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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.