Home / 15,299.60-21,103.74-11,056.91

Finding the Fourth Proportional to 15,299.60, 21,103.74 and 11,056.91

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Solution

The fourth proportional to 15,299.60, 21,103.74 and 11,056.91 is: 15,251.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299.60 : 21,103.74 = 11,056.91 : x
  2. Step 2: Convert to fraction form
    15,299.60/21,103.74 = 11,056.91/x
  3. Step 3: Cross multiply
    15,299.60x = 21,103.74 × 11,056.91
  4. Step 4: Simplify right side
    15,299.60x = 233,342,048.32
  5. Step 5: Solve for x
    x = 233,342,048.32/15,299.60
  6. Step 6: Final answer
    x = 15,251.52

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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.