Home / 14,430.24-21,645.20-7,854.92

Finding the Fourth Proportional to 14,430.24, 21,645.20 and 7,854.92

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Solution

The fourth proportional to 14,430.24, 21,645.20 and 7,854.92 is: 11,782.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.24 : 21,645.20 = 7,854.92 : x
  2. Step 2: Convert to fraction form
    14,430.24/21,645.20 = 7,854.92/x
  3. Step 3: Cross multiply
    14,430.24x = 21,645.20 × 7,854.92
  4. Step 4: Simplify right side
    14,430.24x = 170,021,314.38
  5. Step 5: Solve for x
    x = 170,021,314.38/14,430.24
  6. Step 6: Final answer
    x = 11,782.29

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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.