Home / 10,290.45-14,185.95-6,747.51

Finding the Fourth Proportional to 10,290.45, 14,185.95 and 6,747.51

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Solution

The fourth proportional to 10,290.45, 14,185.95 and 6,747.51 is: 9,301.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.45 : 14,185.95 = 6,747.51 : x
  2. Step 2: Convert to fraction form
    10,290.45/14,185.95 = 6,747.51/x
  3. Step 3: Cross multiply
    10,290.45x = 14,185.95 × 6,747.51
  4. Step 4: Simplify right side
    10,290.45x = 95,719,839.48
  5. Step 5: Solve for x
    x = 95,719,839.48/10,290.45
  6. Step 6: Final answer
    x = 9,301.81

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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.