Home / 15,626.61-21,560.69-9,253.33

Finding the Fourth Proportional to 15,626.61, 21,560.69 and 9,253.33

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Solution

The fourth proportional to 15,626.61, 21,560.69 and 9,253.33 is: 12,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,626.61 : 21,560.69 = 9,253.33 : x
  2. Step 2: Convert to fraction form
    15,626.61/21,560.69 = 9,253.33/x
  3. Step 3: Cross multiply
    15,626.61x = 21,560.69 × 9,253.33
  4. Step 4: Simplify right side
    15,626.61x = 199,508,025.53
  5. Step 5: Solve for x
    x = 199,508,025.53/15,626.61
  6. Step 6: Final answer
    x = 12,767.20

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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.