Home / 12,477.40-18,699.85-5,073.22

Finding the Fourth Proportional to 12,477.40, 18,699.85 and 5,073.22

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Solution

The fourth proportional to 12,477.40, 18,699.85 and 5,073.22 is: 7,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477.40 : 18,699.85 = 5,073.22 : x
  2. Step 2: Convert to fraction form
    12,477.40/18,699.85 = 5,073.22/x
  3. Step 3: Cross multiply
    12,477.40x = 18,699.85 × 5,073.22
  4. Step 4: Simplify right side
    12,477.40x = 94,868,453.02
  5. Step 5: Solve for x
    x = 94,868,453.02/12,477.40
  6. Step 6: Final answer
    x = 7,603.22

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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.