Home / 10,431.03-14,392.35-6,342.71

Finding the Fourth Proportional to 10,431.03, 14,392.35 and 6,342.71

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Solution

The fourth proportional to 10,431.03, 14,392.35 and 6,342.71 is: 8,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.03 : 14,392.35 = 6,342.71 : x
  2. Step 2: Convert to fraction form
    10,431.03/14,392.35 = 6,342.71/x
  3. Step 3: Cross multiply
    10,431.03x = 14,392.35 × 6,342.71
  4. Step 4: Simplify right side
    10,431.03x = 91,286,502.27
  5. Step 5: Solve for x
    x = 91,286,502.27/10,431.03
  6. Step 6: Final answer
    x = 8,751.44

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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.