Home / 14,458.84-19,952.64-8,171.34

Finding the Fourth Proportional to 14,458.84, 19,952.64 and 8,171.34

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Solution

The fourth proportional to 14,458.84, 19,952.64 and 8,171.34 is: 11,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.84 : 19,952.64 = 8,171.34 : x
  2. Step 2: Convert to fraction form
    14,458.84/19,952.64 = 8,171.34/x
  3. Step 3: Cross multiply
    14,458.84x = 19,952.64 × 8,171.34
  4. Step 4: Simplify right side
    14,458.84x = 163,039,805.34
  5. Step 5: Solve for x
    x = 163,039,805.34/14,458.84
  6. Step 6: Final answer
    x = 11,276.13

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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.