Home / 14,970.59-20,660.37-8,257.71

Finding the Fourth Proportional to 14,970.59, 20,660.37 and 8,257.71

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Solution

The fourth proportional to 14,970.59, 20,660.37 and 8,257.71 is: 11,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970.59 : 20,660.37 = 8,257.71 : x
  2. Step 2: Convert to fraction form
    14,970.59/20,660.37 = 8,257.71/x
  3. Step 3: Cross multiply
    14,970.59x = 20,660.37 × 8,257.71
  4. Step 4: Simplify right side
    14,970.59x = 170,607,390.46
  5. Step 5: Solve for x
    x = 170,607,390.46/14,970.59
  6. Step 6: Final answer
    x = 11,396.17

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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.