Home / 13,263.57-19,895.67-4,376.05

Finding the Fourth Proportional to 13,263.57, 19,895.67 and 4,376.05

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Solution

The fourth proportional to 13,263.57, 19,895.67 and 4,376.05 is: 6,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.57 : 19,895.67 = 4,376.05 : x
  2. Step 2: Convert to fraction form
    13,263.57/19,895.67 = 4,376.05/x
  3. Step 3: Cross multiply
    13,263.57x = 19,895.67 × 4,376.05
  4. Step 4: Simplify right side
    13,263.57x = 87,064,396.96
  5. Step 5: Solve for x
    x = 87,064,396.96/13,263.57
  6. Step 6: Final answer
    x = 6,564.18

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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.