Home / 13,926-19,215.52-9,207.76

Finding the Fourth Proportional to 13,926, 19,215.52 and 9,207.76

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Solution

The fourth proportional to 13,926, 19,215.52 and 9,207.76 is: 12,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926 : 19,215.52 = 9,207.76 : x
  2. Step 2: Convert to fraction form
    13,926/19,215.52 = 9,207.76/x
  3. Step 3: Cross multiply
    13,926x = 19,215.52 × 9,207.76
  4. Step 4: Simplify right side
    13,926x = 176,931,896.44
  5. Step 5: Solve for x
    x = 176,931,896.44/13,926
  6. Step 6: Final answer
    x = 12,705.15

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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.