Home / 13,038.57-19,550.79-4,600.85

Finding the Fourth Proportional to 13,038.57, 19,550.79 and 4,600.85

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Solution

The fourth proportional to 13,038.57, 19,550.79 and 4,600.85 is: 6,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.57 : 19,550.79 = 4,600.85 : x
  2. Step 2: Convert to fraction form
    13,038.57/19,550.79 = 4,600.85/x
  3. Step 3: Cross multiply
    13,038.57x = 19,550.79 × 4,600.85
  4. Step 4: Simplify right side
    13,038.57x = 89,950,154.42
  5. Step 5: Solve for x
    x = 89,950,154.42/13,038.57
  6. Step 6: Final answer
    x = 6,898.77

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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.