Home / 19,347.12-29,017.26-8,814.78

Finding the Fourth Proportional to 19,347.12, 29,017.26 and 8,814.78

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Solution

The fourth proportional to 19,347.12, 29,017.26 and 8,814.78 is: 13,220.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.12 : 29,017.26 = 8,814.78 : x
  2. Step 2: Convert to fraction form
    19,347.12/29,017.26 = 8,814.78/x
  3. Step 3: Cross multiply
    19,347.12x = 29,017.26 × 8,814.78
  4. Step 4: Simplify right side
    19,347.12x = 255,780,763.10
  5. Step 5: Solve for x
    x = 255,780,763.10/19,347.12
  6. Step 6: Final answer
    x = 13,220.61

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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.