Home / 11,824.48-16,319.52-7,111.36

Finding the Fourth Proportional to 11,824.48, 16,319.52 and 7,111.36

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Solution

The fourth proportional to 11,824.48, 16,319.52 and 7,111.36 is: 9,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.48 : 16,319.52 = 7,111.36 : x
  2. Step 2: Convert to fraction form
    11,824.48/16,319.52 = 7,111.36/x
  3. Step 3: Cross multiply
    11,824.48x = 16,319.52 × 7,111.36
  4. Step 4: Simplify right side
    11,824.48x = 116,053,981.75
  5. Step 5: Solve for x
    x = 116,053,981.75/11,824.48
  6. Step 6: Final answer
    x = 9,814.72

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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.