Home / 12,887.41-19,337.60-9,607.09

Finding the Fourth Proportional to 12,887.41, 19,337.60 and 9,607.09

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Solution

The fourth proportional to 12,887.41, 19,337.60 and 9,607.09 is: 14,415.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.41 : 19,337.60 = 9,607.09 : x
  2. Step 2: Convert to fraction form
    12,887.41/19,337.60 = 9,607.09/x
  3. Step 3: Cross multiply
    12,887.41x = 19,337.60 × 9,607.09
  4. Step 4: Simplify right side
    12,887.41x = 185,778,063.58
  5. Step 5: Solve for x
    x = 185,778,063.58/12,887.41
  6. Step 6: Final answer
    x = 14,415.47

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1.5x scale

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.