Home / 13,516.68-18,652.56-7,548.30

Finding the Fourth Proportional to 13,516.68, 18,652.56 and 7,548.30

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Solution

The fourth proportional to 13,516.68, 18,652.56 and 7,548.30 is: 10,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.68 : 18,652.56 = 7,548.30 : x
  2. Step 2: Convert to fraction form
    13,516.68/18,652.56 = 7,548.30/x
  3. Step 3: Cross multiply
    13,516.68x = 18,652.56 × 7,548.30
  4. Step 4: Simplify right side
    13,516.68x = 140,795,118.65
  5. Step 5: Solve for x
    x = 140,795,118.65/13,516.68
  6. Step 6: Final answer
    x = 10,416.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.