Home / 10,395.80-14,346.18-5,680.11

Finding the Fourth Proportional to 10,395.80, 14,346.18 and 5,680.11

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Solution

The fourth proportional to 10,395.80, 14,346.18 and 5,680.11 is: 7,838.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.80 : 14,346.18 = 5,680.11 : x
  2. Step 2: Convert to fraction form
    10,395.80/14,346.18 = 5,680.11/x
  3. Step 3: Cross multiply
    10,395.80x = 14,346.18 × 5,680.11
  4. Step 4: Simplify right side
    10,395.80x = 81,487,880.48
  5. Step 5: Solve for x
    x = 81,487,880.48/10,395.80
  6. Step 6: Final answer
    x = 7,838.54

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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.