Home / 13,412.10-18,508.90-7,444.16

Finding the Fourth Proportional to 13,412.10, 18,508.90 and 7,444.16

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Solution

The fourth proportional to 13,412.10, 18,508.90 and 7,444.16 is: 10,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412.10 : 18,508.90 = 7,444.16 : x
  2. Step 2: Convert to fraction form
    13,412.10/18,508.90 = 7,444.16/x
  3. Step 3: Cross multiply
    13,412.10x = 18,508.90 × 7,444.16
  4. Step 4: Simplify right side
    13,412.10x = 137,783,120.48
  5. Step 5: Solve for x
    x = 137,783,120.48/13,412.10
  6. Step 6: Final answer
    x = 10,273.05

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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.