Home / 14,257.28-21,390.26-10,105.32

Finding the Fourth Proportional to 14,257.28, 21,390.26 and 10,105.32

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Solution

The fourth proportional to 14,257.28, 21,390.26 and 10,105.32 is: 15,161.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.28 : 21,390.26 = 10,105.32 : x
  2. Step 2: Convert to fraction form
    14,257.28/21,390.26 = 10,105.32/x
  3. Step 3: Cross multiply
    14,257.28x = 21,390.26 × 10,105.32
  4. Step 4: Simplify right side
    14,257.28x = 216,155,422.18
  5. Step 5: Solve for x
    x = 216,155,422.18/14,257.28
  6. Step 6: Final answer
    x = 15,161.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.