Home / 14,375.19-19,829.64-8,631.18

Finding the Fourth Proportional to 14,375.19, 19,829.64 and 8,631.18

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Solution

The fourth proportional to 14,375.19, 19,829.64 and 8,631.18 is: 11,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.19 : 19,829.64 = 8,631.18 : x
  2. Step 2: Convert to fraction form
    14,375.19/19,829.64 = 8,631.18/x
  3. Step 3: Cross multiply
    14,375.19x = 19,829.64 × 8,631.18
  4. Step 4: Simplify right side
    14,375.19x = 171,153,192.18
  5. Step 5: Solve for x
    x = 171,153,192.18/14,375.19
  6. Step 6: Final answer
    x = 11,906.15

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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.