Home / 13,518.64-20,266.21-6,495.13

Finding the Fourth Proportional to 13,518.64, 20,266.21 and 6,495.13

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Solution

The fourth proportional to 13,518.64, 20,266.21 and 6,495.13 is: 9,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518.64 : 20,266.21 = 6,495.13 : x
  2. Step 2: Convert to fraction form
    13,518.64/20,266.21 = 6,495.13/x
  3. Step 3: Cross multiply
    13,518.64x = 20,266.21 × 6,495.13
  4. Step 4: Simplify right side
    13,518.64x = 131,631,601.65
  5. Step 5: Solve for x
    x = 131,631,601.65/13,518.64
  6. Step 6: Final answer
    x = 9,737.05

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1.5x scale

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.