Home / 10,530.97-14,526.23-6,279.30

Finding the Fourth Proportional to 10,530.97, 14,526.23 and 6,279.30

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Solution

The fourth proportional to 10,530.97, 14,526.23 and 6,279.30 is: 8,661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.97 : 14,526.23 = 6,279.30 : x
  2. Step 2: Convert to fraction form
    10,530.97/14,526.23 = 6,279.30/x
  3. Step 3: Cross multiply
    10,530.97x = 14,526.23 × 6,279.30
  4. Step 4: Simplify right side
    10,530.97x = 91,214,571.74
  5. Step 5: Solve for x
    x = 91,214,571.74/10,530.97
  6. Step 6: Final answer
    x = 8,661.56

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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.