Home / 14,277.50-19,705.20-8,613.06

Finding the Fourth Proportional to 14,277.50, 19,705.20 and 8,613.06

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Solution

The fourth proportional to 14,277.50, 19,705.20 and 8,613.06 is: 11,887.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.50 : 19,705.20 = 8,613.06 : x
  2. Step 2: Convert to fraction form
    14,277.50/19,705.20 = 8,613.06/x
  3. Step 3: Cross multiply
    14,277.50x = 19,705.20 × 8,613.06
  4. Step 4: Simplify right side
    14,277.50x = 169,722,069.91
  5. Step 5: Solve for x
    x = 169,722,069.91/14,277.50
  6. Step 6: Final answer
    x = 11,887.38

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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.