Home / 15,616.26-21,550.86-9,332.28

Finding the Fourth Proportional to 15,616.26, 21,550.86 and 9,332.28

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Solution

The fourth proportional to 15,616.26, 21,550.86 and 9,332.28 is: 12,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.26 : 21,550.86 = 9,332.28 : x
  2. Step 2: Convert to fraction form
    15,616.26/21,550.86 = 9,332.28/x
  3. Step 3: Cross multiply
    15,616.26x = 21,550.86 × 9,332.28
  4. Step 4: Simplify right side
    15,616.26x = 201,118,659.76
  5. Step 5: Solve for x
    x = 201,118,659.76/15,616.26
  6. Step 6: Final answer
    x = 12,878.80

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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.