Home / 10,356.97-14,292.77-5,641.25

Finding the Fourth Proportional to 10,356.97, 14,292.77 and 5,641.25

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Solution

The fourth proportional to 10,356.97, 14,292.77 and 5,641.25 is: 7,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.97 : 14,292.77 = 5,641.25 : x
  2. Step 2: Convert to fraction form
    10,356.97/14,292.77 = 5,641.25/x
  3. Step 3: Cross multiply
    10,356.97x = 14,292.77 × 5,641.25
  4. Step 4: Simplify right side
    10,356.97x = 80,629,088.76
  5. Step 5: Solve for x
    x = 80,629,088.76/10,356.97
  6. Step 6: Final answer
    x = 7,785.01

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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.