Home / 14,248.32-21,386.26-6,857.88

Finding the Fourth Proportional to 14,248.32, 21,386.26 and 6,857.88

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Solution

The fourth proportional to 14,248.32, 21,386.26 and 6,857.88 is: 10,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.32 : 21,386.26 = 6,857.88 : x
  2. Step 2: Convert to fraction form
    14,248.32/21,386.26 = 6,857.88/x
  3. Step 3: Cross multiply
    14,248.32x = 21,386.26 × 6,857.88
  4. Step 4: Simplify right side
    14,248.32x = 146,664,404.73
  5. Step 5: Solve for x
    x = 146,664,404.73/14,248.32
  6. Step 6: Final answer
    x = 10,293.45

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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.