Home / 15,659.34-21,610.89-10,344.84

Finding the Fourth Proportional to 15,659.34, 21,610.89 and 10,344.84

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Solution

The fourth proportional to 15,659.34, 21,610.89 and 10,344.84 is: 14,276.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659.34 : 21,610.89 = 10,344.84 : x
  2. Step 2: Convert to fraction form
    15,659.34/21,610.89 = 10,344.84/x
  3. Step 3: Cross multiply
    15,659.34x = 21,610.89 × 10,344.84
  4. Step 4: Simplify right side
    15,659.34x = 223,561,199.31
  5. Step 5: Solve for x
    x = 223,561,199.31/15,659.34
  6. Step 6: Final answer
    x = 14,276.54

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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.