Home / 12,530.56-18,802.32-5,603.44

Finding the Fourth Proportional to 12,530.56, 18,802.32 and 5,603.44

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Solution

The fourth proportional to 12,530.56, 18,802.32 and 5,603.44 is: 8,408.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.56 : 18,802.32 = 5,603.44 : x
  2. Step 2: Convert to fraction form
    12,530.56/18,802.32 = 5,603.44/x
  3. Step 3: Cross multiply
    12,530.56x = 18,802.32 × 5,603.44
  4. Step 4: Simplify right side
    12,530.56x = 105,357,671.98
  5. Step 5: Solve for x
    x = 105,357,671.98/12,530.56
  6. Step 6: Final answer
    x = 8,408.06

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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.