Home / 15,308.77-21,125.91-8,594.22

Finding the Fourth Proportional to 15,308.77, 21,125.91 and 8,594.22

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Solution

The fourth proportional to 15,308.77, 21,125.91 and 8,594.22 is: 11,859.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.77 : 21,125.91 = 8,594.22 : x
  2. Step 2: Convert to fraction form
    15,308.77/21,125.91 = 8,594.22/x
  3. Step 3: Cross multiply
    15,308.77x = 21,125.91 × 8,594.22
  4. Step 4: Simplify right side
    15,308.77x = 181,560,718.24
  5. Step 5: Solve for x
    x = 181,560,718.24/15,308.77
  6. Step 6: Final answer
    x = 11,859.92

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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.