Home / 10,394.20-14,347.38-7,750.36

Finding the Fourth Proportional to 10,394.20, 14,347.38 and 7,750.36

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Solution

The fourth proportional to 10,394.20, 14,347.38 and 7,750.36 is: 10,698.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.20 : 14,347.38 = 7,750.36 : x
  2. Step 2: Convert to fraction form
    10,394.20/14,347.38 = 7,750.36/x
  3. Step 3: Cross multiply
    10,394.20x = 14,347.38 × 7,750.36
  4. Step 4: Simplify right side
    10,394.20x = 111,197,360.06
  5. Step 5: Solve for x
    x = 111,197,360.06/10,394.20
  6. Step 6: Final answer
    x = 10,698.02

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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.