Home / 23,300.85-32,154.80-12,690.75

Finding the Fourth Proportional to 23,300.85, 32,154.80 and 12,690.75

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Solution

The fourth proportional to 23,300.85, 32,154.80 and 12,690.75 is: 17,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,300.85 : 32,154.80 = 12,690.75 : x
  2. Step 2: Convert to fraction form
    23,300.85/32,154.80 = 12,690.75/x
  3. Step 3: Cross multiply
    23,300.85x = 32,154.80 × 12,690.75
  4. Step 4: Simplify right side
    23,300.85x = 408,068,464.65
  5. Step 5: Solve for x
    x = 408,068,464.65/23,300.85
  6. Step 6: Final answer
    x = 17,513.03

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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.