Home / 15,656.73-21,607.65-8,584.53

Finding the Fourth Proportional to 15,656.73, 21,607.65 and 8,584.53

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Solution

The fourth proportional to 15,656.73, 21,607.65 and 8,584.53 is: 11,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656.73 : 21,607.65 = 8,584.53 : x
  2. Step 2: Convert to fraction form
    15,656.73/21,607.65 = 8,584.53/x
  3. Step 3: Cross multiply
    15,656.73x = 21,607.65 × 8,584.53
  4. Step 4: Simplify right side
    15,656.73x = 185,491,519.65
  5. Step 5: Solve for x
    x = 185,491,519.65/15,656.73
  6. Step 6: Final answer
    x = 11,847.40

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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.