Home / 19,215.88-28,832.58-9,862.47

Finding the Fourth Proportional to 19,215.88, 28,832.58 and 9,862.47

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Solution

The fourth proportional to 19,215.88, 28,832.58 and 9,862.47 is: 14,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.88 : 28,832.58 = 9,862.47 : x
  2. Step 2: Convert to fraction form
    19,215.88/28,832.58 = 9,862.47/x
  3. Step 3: Cross multiply
    19,215.88x = 28,832.58 × 9,862.47
  4. Step 4: Simplify right side
    19,215.88x = 284,360,401.21
  5. Step 5: Solve for x
    x = 284,360,401.21/19,215.88
  6. Step 6: Final answer
    x = 14,798.20

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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.