Home / 14,570.55-21,854.61-8,722.89

Finding the Fourth Proportional to 14,570.55, 21,854.61 and 8,722.89

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Solution

The fourth proportional to 14,570.55, 21,854.61 and 8,722.89 is: 13,083.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570.55 : 21,854.61 = 8,722.89 : x
  2. Step 2: Convert to fraction form
    14,570.55/21,854.61 = 8,722.89/x
  3. Step 3: Cross multiply
    14,570.55x = 21,854.61 × 8,722.89
  4. Step 4: Simplify right side
    14,570.55x = 190,635,359.02
  5. Step 5: Solve for x
    x = 190,635,359.02/14,570.55
  6. Step 6: Final answer
    x = 13,083.61

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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.