Home / 13,354.68-20,029.68-4,589.76

Finding the Fourth Proportional to 13,354.68, 20,029.68 and 4,589.76

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Solution

The fourth proportional to 13,354.68, 20,029.68 and 4,589.76 is: 6,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.68 : 20,029.68 = 4,589.76 : x
  2. Step 2: Convert to fraction form
    13,354.68/20,029.68 = 4,589.76/x
  3. Step 3: Cross multiply
    13,354.68x = 20,029.68 × 4,589.76
  4. Step 4: Simplify right side
    13,354.68x = 91,931,424.08
  5. Step 5: Solve for x
    x = 91,931,424.08/13,354.68
  6. Step 6: Final answer
    x = 6,883.84

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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.