Home / 10,133.40-13,990.41-6,550.23

Finding the Fourth Proportional to 10,133.40, 13,990.41 and 6,550.23

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Solution

The fourth proportional to 10,133.40, 13,990.41 and 6,550.23 is: 9,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.40 : 13,990.41 = 6,550.23 : x
  2. Step 2: Convert to fraction form
    10,133.40/13,990.41 = 6,550.23/x
  3. Step 3: Cross multiply
    10,133.40x = 13,990.41 × 6,550.23
  4. Step 4: Simplify right side
    10,133.40x = 91,640,403.29
  5. Step 5: Solve for x
    x = 91,640,403.29/10,133.40
  6. Step 6: Final answer
    x = 9,043.40

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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.