Home / 13,150.99-19,727.52-4,385.91

Finding the Fourth Proportional to 13,150.99, 19,727.52 and 4,385.91

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Solution

The fourth proportional to 13,150.99, 19,727.52 and 4,385.91 is: 6,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.99 : 19,727.52 = 4,385.91 : x
  2. Step 2: Convert to fraction form
    13,150.99/19,727.52 = 4,385.91/x
  3. Step 3: Cross multiply
    13,150.99x = 19,727.52 × 4,385.91
  4. Step 4: Simplify right side
    13,150.99x = 86,523,184.77
  5. Step 5: Solve for x
    x = 86,523,184.77/13,150.99
  6. Step 6: Final answer
    x = 6,579.21

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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.