Home / 12,497.10-18,736.36-7,565.58

Finding the Fourth Proportional to 12,497.10, 18,736.36 and 7,565.58

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Solution

The fourth proportional to 12,497.10, 18,736.36 and 7,565.58 is: 11,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.10 : 18,736.36 = 7,565.58 : x
  2. Step 2: Convert to fraction form
    12,497.10/18,736.36 = 7,565.58/x
  3. Step 3: Cross multiply
    12,497.10x = 18,736.36 × 7,565.58
  4. Step 4: Simplify right side
    12,497.10x = 141,751,430.49
  5. Step 5: Solve for x
    x = 141,751,430.49/12,497.10
  6. Step 6: Final answer
    x = 11,342.75

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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.