Home / 20,178.45-30,272.52-6,327.45

Finding the Fourth Proportional to 20,178.45, 30,272.52 and 6,327.45

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Solution

The fourth proportional to 20,178.45, 30,272.52 and 6,327.45 is: 9,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178.45 : 30,272.52 = 6,327.45 : x
  2. Step 2: Convert to fraction form
    20,178.45/30,272.52 = 6,327.45/x
  3. Step 3: Cross multiply
    20,178.45x = 30,272.52 × 6,327.45
  4. Step 4: Simplify right side
    20,178.45x = 191,547,856.67
  5. Step 5: Solve for x
    x = 191,547,856.67/20,178.45
  6. Step 6: Final answer
    x = 9,492.69

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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.