Home / 14,715.14-20,305.44-8,340.48

Finding the Fourth Proportional to 14,715.14, 20,305.44 and 8,340.48

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Solution

The fourth proportional to 14,715.14, 20,305.44 and 8,340.48 is: 11,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.14 : 20,305.44 = 8,340.48 : x
  2. Step 2: Convert to fraction form
    14,715.14/20,305.44 = 8,340.48/x
  3. Step 3: Cross multiply
    14,715.14x = 20,305.44 × 8,340.48
  4. Step 4: Simplify right side
    14,715.14x = 169,357,116.21
  5. Step 5: Solve for x
    x = 169,357,116.21/14,715.14
  6. Step 6: Final answer
    x = 11,509.04

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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.