Home / 13,377.40-20,066.16-5,484.22

Finding the Fourth Proportional to 13,377.40, 20,066.16 and 5,484.22

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Solution

The fourth proportional to 13,377.40, 20,066.16 and 5,484.22 is: 8,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.40 : 20,066.16 = 5,484.22 : x
  2. Step 2: Convert to fraction form
    13,377.40/20,066.16 = 5,484.22/x
  3. Step 3: Cross multiply
    13,377.40x = 20,066.16 × 5,484.22
  4. Step 4: Simplify right side
    13,377.40x = 110,047,236.00
  5. Step 5: Solve for x
    x = 110,047,236.00/13,377.40
  6. Step 6: Final answer
    x = 8,226.35

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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.