Home / 13,655.10-20,477.70-4,767.94

Finding the Fourth Proportional to 13,655.10, 20,477.70 and 4,767.94

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Solution

The fourth proportional to 13,655.10, 20,477.70 and 4,767.94 is: 7,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.10 : 20,477.70 = 4,767.94 : x
  2. Step 2: Convert to fraction form
    13,655.10/20,477.70 = 4,767.94/x
  3. Step 3: Cross multiply
    13,655.10x = 20,477.70 × 4,767.94
  4. Step 4: Simplify right side
    13,655.10x = 97,636,375.86
  5. Step 5: Solve for x
    x = 97,636,375.86/13,655.10
  6. Step 6: Final answer
    x = 7,150.17

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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.