Home / 15,558.65-23,317.05-8,528.12

Finding the Fourth Proportional to 15,558.65, 23,317.05 and 8,528.12

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Solution

The fourth proportional to 15,558.65, 23,317.05 and 8,528.12 is: 12,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.65 : 23,317.05 = 8,528.12 : x
  2. Step 2: Convert to fraction form
    15,558.65/23,317.05 = 8,528.12/x
  3. Step 3: Cross multiply
    15,558.65x = 23,317.05 × 8,528.12
  4. Step 4: Simplify right side
    15,558.65x = 198,850,690.72
  5. Step 5: Solve for x
    x = 198,850,690.72/15,558.65
  6. Step 6: Final answer
    x = 12,780.71

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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.