Home / 14,784.35-22,182.60-5,428.85

Finding the Fourth Proportional to 14,784.35, 22,182.60 and 5,428.85

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Solution

The fourth proportional to 14,784.35, 22,182.60 and 5,428.85 is: 8,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.35 : 22,182.60 = 5,428.85 : x
  2. Step 2: Convert to fraction form
    14,784.35/22,182.60 = 5,428.85/x
  3. Step 3: Cross multiply
    14,784.35x = 22,182.60 × 5,428.85
  4. Step 4: Simplify right side
    14,784.35x = 120,426,008.01
  5. Step 5: Solve for x
    x = 120,426,008.01/14,784.35
  6. Step 6: Final answer
    x = 8,145.51

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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.