Home / 15,309.37-21,126.77-8,594.84

Finding the Fourth Proportional to 15,309.37, 21,126.77 and 8,594.84

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Solution

The fourth proportional to 15,309.37, 21,126.77 and 8,594.84 is: 11,860.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.37 : 21,126.77 = 8,594.84 : x
  2. Step 2: Convert to fraction form
    15,309.37/21,126.77 = 8,594.84/x
  3. Step 3: Cross multiply
    15,309.37x = 21,126.77 × 8,594.84
  4. Step 4: Simplify right side
    15,309.37x = 181,581,298.29
  5. Step 5: Solve for x
    x = 181,581,298.29/15,309.37
  6. Step 6: Final answer
    x = 11,860.79

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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.