Home / 13,715.19-20,572.10-4,830.96

Finding the Fourth Proportional to 13,715.19, 20,572.10 and 4,830.96

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Solution

The fourth proportional to 13,715.19, 20,572.10 and 4,830.96 is: 7,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.19 : 20,572.10 = 4,830.96 : x
  2. Step 2: Convert to fraction form
    13,715.19/20,572.10 = 4,830.96/x
  3. Step 3: Cross multiply
    13,715.19x = 20,572.10 × 4,830.96
  4. Step 4: Simplify right side
    13,715.19x = 99,382,992.22
  5. Step 5: Solve for x
    x = 99,382,992.22/13,715.19
  6. Step 6: Final answer
    x = 7,246.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.