Home / 17,887.10-24,684.21-9,929.39

Finding the Fourth Proportional to 17,887.10, 24,684.21 and 9,929.39

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Solution

The fourth proportional to 17,887.10, 24,684.21 and 9,929.39 is: 13,702.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.10 : 24,684.21 = 9,929.39 : x
  2. Step 2: Convert to fraction form
    17,887.10/24,684.21 = 9,929.39/x
  3. Step 3: Cross multiply
    17,887.10x = 24,684.21 × 9,929.39
  4. Step 4: Simplify right side
    17,887.10x = 245,099,024.51
  5. Step 5: Solve for x
    x = 245,099,024.51/17,887.10
  6. Step 6: Final answer
    x = 13,702.56

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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.