Home / 14,474.14-19,967.60-8,505.70

Finding the Fourth Proportional to 14,474.14, 19,967.60 and 8,505.70

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Solution

The fourth proportional to 14,474.14, 19,967.60 and 8,505.70 is: 11,733.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,474.14 : 19,967.60 = 8,505.70 : x
  2. Step 2: Convert to fraction form
    14,474.14/19,967.60 = 8,505.70/x
  3. Step 3: Cross multiply
    14,474.14x = 19,967.60 × 8,505.70
  4. Step 4: Simplify right side
    14,474.14x = 169,838,415.32
  5. Step 5: Solve for x
    x = 169,838,415.32/14,474.14
  6. Step 6: Final answer
    x = 11,733.92

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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.