Home / 18,215.28-27,320.20-5,066.28

Finding the Fourth Proportional to 18,215.28, 27,320.20 and 5,066.28

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Solution

The fourth proportional to 18,215.28, 27,320.20 and 5,066.28 is: 7,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.28 : 27,320.20 = 5,066.28 : x
  2. Step 2: Convert to fraction form
    18,215.28/27,320.20 = 5,066.28/x
  3. Step 3: Cross multiply
    18,215.28x = 27,320.20 × 5,066.28
  4. Step 4: Simplify right side
    18,215.28x = 138,411,782.86
  5. Step 5: Solve for x
    x = 138,411,782.86/18,215.28
  6. Step 6: Final answer
    x = 7,598.66

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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.