Home / 18,256.84-27,390.12-5,777.10

Finding the Fourth Proportional to 18,256.84, 27,390.12 and 5,777.10

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Solution

The fourth proportional to 18,256.84, 27,390.12 and 5,777.10 is: 8,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.84 : 27,390.12 = 5,777.10 : x
  2. Step 2: Convert to fraction form
    18,256.84/27,390.12 = 5,777.10/x
  3. Step 3: Cross multiply
    18,256.84x = 27,390.12 × 5,777.10
  4. Step 4: Simplify right side
    18,256.84x = 158,235,462.25
  5. Step 5: Solve for x
    x = 158,235,462.25/18,256.84
  6. Step 6: Final answer
    x = 8,667.19

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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.