Home / 13,444.08-20,165.10-5,439.35

Finding the Fourth Proportional to 13,444.08, 20,165.10 and 5,439.35

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Solution

The fourth proportional to 13,444.08, 20,165.10 and 5,439.35 is: 8,158.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.08 : 20,165.10 = 5,439.35 : x
  2. Step 2: Convert to fraction form
    13,444.08/20,165.10 = 5,439.35/x
  3. Step 3: Cross multiply
    13,444.08x = 20,165.10 × 5,439.35
  4. Step 4: Simplify right side
    13,444.08x = 109,685,036.69
  5. Step 5: Solve for x
    x = 109,685,036.69/13,444.08
  6. Step 6: Final answer
    x = 8,158.61

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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.