Home / 15,248.82-21,051.01-9,586.70

Finding the Fourth Proportional to 15,248.82, 21,051.01 and 9,586.70

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Solution

The fourth proportional to 15,248.82, 21,051.01 and 9,586.70 is: 13,234.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248.82 : 21,051.01 = 9,586.70 : x
  2. Step 2: Convert to fraction form
    15,248.82/21,051.01 = 9,586.70/x
  3. Step 3: Cross multiply
    15,248.82x = 21,051.01 × 9,586.70
  4. Step 4: Simplify right side
    15,248.82x = 201,809,682.09
  5. Step 5: Solve for x
    x = 201,809,682.09/15,248.82
  6. Step 6: Final answer
    x = 13,234.44

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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.