Home / 13,257.92-19,886.78-4,928.24

Finding the Fourth Proportional to 13,257.92, 19,886.78 and 4,928.24

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Solution

The fourth proportional to 13,257.92, 19,886.78 and 4,928.24 is: 7,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.92 : 19,886.78 = 4,928.24 : x
  2. Step 2: Convert to fraction form
    13,257.92/19,886.78 = 4,928.24/x
  3. Step 3: Cross multiply
    13,257.92x = 19,886.78 × 4,928.24
  4. Step 4: Simplify right side
    13,257.92x = 98,006,824.67
  5. Step 5: Solve for x
    x = 98,006,824.67/13,257.92
  6. Step 6: Final answer
    x = 7,392.32

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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.