Home / 13,178.16-19,763.28-4,411.44

Finding the Fourth Proportional to 13,178.16, 19,763.28 and 4,411.44

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Solution

The fourth proportional to 13,178.16, 19,763.28 and 4,411.44 is: 6,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.16 : 19,763.28 = 4,411.44 : x
  2. Step 2: Convert to fraction form
    13,178.16/19,763.28 = 4,411.44/x
  3. Step 3: Cross multiply
    13,178.16x = 19,763.28 × 4,411.44
  4. Step 4: Simplify right side
    13,178.16x = 87,184,523.92
  5. Step 5: Solve for x
    x = 87,184,523.92/13,178.16
  6. Step 6: Final answer
    x = 6,615.83

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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.