Home / 14,291.26-19,722.65-8,625.91

Finding the Fourth Proportional to 14,291.26, 19,722.65 and 8,625.91

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Solution

The fourth proportional to 14,291.26, 19,722.65 and 8,625.91 is: 11,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.26 : 19,722.65 = 8,625.91 : x
  2. Step 2: Convert to fraction form
    14,291.26/19,722.65 = 8,625.91/x
  3. Step 3: Cross multiply
    14,291.26x = 19,722.65 × 8,625.91
  4. Step 4: Simplify right side
    14,291.26x = 170,125,803.86
  5. Step 5: Solve for x
    x = 170,125,803.86/14,291.26
  6. Step 6: Final answer
    x = 11,904.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.