Home / 14,379.48-21,569.40-5,019.71

Finding the Fourth Proportional to 14,379.48, 21,569.40 and 5,019.71

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Solution

The fourth proportional to 14,379.48, 21,569.40 and 5,019.71 is: 7,529.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.48 : 21,569.40 = 5,019.71 : x
  2. Step 2: Convert to fraction form
    14,379.48/21,569.40 = 5,019.71/x
  3. Step 3: Cross multiply
    14,379.48x = 21,569.40 × 5,019.71
  4. Step 4: Simplify right side
    14,379.48x = 108,272,025.03
  5. Step 5: Solve for x
    x = 108,272,025.03/14,379.48
  6. Step 6: Final answer
    x = 7,529.62

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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.