Home / 14,011.52-21,023.78-5,697.24

Finding the Fourth Proportional to 14,011.52, 21,023.78 and 5,697.24

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Solution

The fourth proportional to 14,011.52, 21,023.78 and 5,697.24 is: 8,548.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.52 : 21,023.78 = 5,697.24 : x
  2. Step 2: Convert to fraction form
    14,011.52/21,023.78 = 5,697.24/x
  3. Step 3: Cross multiply
    14,011.52x = 21,023.78 × 5,697.24
  4. Step 4: Simplify right side
    14,011.52x = 119,777,520.37
  5. Step 5: Solve for x
    x = 119,777,520.37/14,011.52
  6. Step 6: Final answer
    x = 8,548.50

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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.