Home / 13,218.84-19,837.86-10,652.76

Finding the Fourth Proportional to 13,218.84, 19,837.86 and 10,652.76

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Solution

The fourth proportional to 13,218.84, 19,837.86 and 10,652.76 is: 15,986.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.84 : 19,837.86 = 10,652.76 : x
  2. Step 2: Convert to fraction form
    13,218.84/19,837.86 = 10,652.76/x
  3. Step 3: Cross multiply
    13,218.84x = 19,837.86 × 10,652.76
  4. Step 4: Simplify right side
    13,218.84x = 211,327,961.49
  5. Step 5: Solve for x
    x = 211,327,961.49/13,218.84
  6. Step 6: Final answer
    x = 15,986.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.