Home / 14,108.80-19,463.60-9,919.52

Finding the Fourth Proportional to 14,108.80, 19,463.60 and 9,919.52

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Solution

The fourth proportional to 14,108.80, 19,463.60 and 9,919.52 is: 13,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.80 : 19,463.60 = 9,919.52 : x
  2. Step 2: Convert to fraction form
    14,108.80/19,463.60 = 9,919.52/x
  3. Step 3: Cross multiply
    14,108.80x = 19,463.60 × 9,919.52
  4. Step 4: Simplify right side
    14,108.80x = 193,069,569.47
  5. Step 5: Solve for x
    x = 193,069,569.47/14,108.80
  6. Step 6: Final answer
    x = 13,684.34

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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.