Home / 14,292.28-19,720.16-8,627.96

Finding the Fourth Proportional to 14,292.28, 19,720.16 and 8,627.96

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Solution

The fourth proportional to 14,292.28, 19,720.16 and 8,627.96 is: 11,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.28 : 19,720.16 = 8,627.96 : x
  2. Step 2: Convert to fraction form
    14,292.28/19,720.16 = 8,627.96/x
  3. Step 3: Cross multiply
    14,292.28x = 19,720.16 × 8,627.96
  4. Step 4: Simplify right side
    14,292.28x = 170,144,751.67
  5. Step 5: Solve for x
    x = 170,144,751.67/14,292.28
  6. Step 6: Final answer
    x = 11,904.66

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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.