Home / 15,293.35-21,103.10-8,577.59

Finding the Fourth Proportional to 15,293.35, 21,103.10 and 8,577.59

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Solution

The fourth proportional to 15,293.35, 21,103.10 and 8,577.59 is: 11,836.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293.35 : 21,103.10 = 8,577.59 : x
  2. Step 2: Convert to fraction form
    15,293.35/21,103.10 = 8,577.59/x
  3. Step 3: Cross multiply
    15,293.35x = 21,103.10 × 8,577.59
  4. Step 4: Simplify right side
    15,293.35x = 181,013,739.53
  5. Step 5: Solve for x
    x = 181,013,739.53/15,293.35
  6. Step 6: Final answer
    x = 11,836.11

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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.