Home / 10,326.06-14,247.52-7,340.80

Finding the Fourth Proportional to 10,326.06, 14,247.52 and 7,340.80

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Solution

The fourth proportional to 10,326.06, 14,247.52 and 7,340.80 is: 10,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.06 : 14,247.52 = 7,340.80 : x
  2. Step 2: Convert to fraction form
    10,326.06/14,247.52 = 7,340.80/x
  3. Step 3: Cross multiply
    10,326.06x = 14,247.52 × 7,340.80
  4. Step 4: Simplify right side
    10,326.06x = 104,588,194.82
  5. Step 5: Solve for x
    x = 104,588,194.82/10,326.06
  6. Step 6: Final answer
    x = 10,128.57

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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.