Home / 15,293.00-21,103.34-8,578.64

Finding the Fourth Proportional to 15,293.00, 21,103.34 and 8,578.64

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Solution

The fourth proportional to 15,293.00, 21,103.34 and 8,578.64 is: 11,837.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293.00 : 21,103.34 = 8,578.64 : x
  2. Step 2: Convert to fraction form
    15,293.00/21,103.34 = 8,578.64/x
  3. Step 3: Cross multiply
    15,293.00x = 21,103.34 × 8,578.64
  4. Step 4: Simplify right side
    15,293.00x = 181,037,966.52
  5. Step 5: Solve for x
    x = 181,037,966.52/15,293.00
  6. Step 6: Final answer
    x = 11,837.96

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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.