Home / 15,880.24-21,924.80-11,098.56

Finding the Fourth Proportional to 15,880.24, 21,924.80 and 11,098.56

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Solution

The fourth proportional to 15,880.24, 21,924.80 and 11,098.56 is: 15,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880.24 : 21,924.80 = 11,098.56 : x
  2. Step 2: Convert to fraction form
    15,880.24/21,924.80 = 11,098.56/x
  3. Step 3: Cross multiply
    15,880.24x = 21,924.80 × 11,098.56
  4. Step 4: Simplify right side
    15,880.24x = 243,333,708.29
  5. Step 5: Solve for x
    x = 243,333,708.29/15,880.24
  6. Step 6: Final answer
    x = 15,323.05

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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.