Home / 14,290.10-21,429.13-5,403.93

Finding the Fourth Proportional to 14,290.10, 21,429.13 and 5,403.93

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Solution

The fourth proportional to 14,290.10, 21,429.13 and 5,403.93 is: 8,103.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.10 : 21,429.13 = 5,403.93 : x
  2. Step 2: Convert to fraction form
    14,290.10/21,429.13 = 5,403.93/x
  3. Step 3: Cross multiply
    14,290.10x = 21,429.13 × 5,403.93
  4. Step 4: Simplify right side
    14,290.10x = 115,801,518.48
  5. Step 5: Solve for x
    x = 115,801,518.48/14,290.10
  6. Step 6: Final answer
    x = 8,103.62

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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.