Home / 16,720.61-23,074.70-9,167.63

Finding the Fourth Proportional to 16,720.61, 23,074.70 and 9,167.63

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Solution

The fourth proportional to 16,720.61, 23,074.70 and 9,167.63 is: 12,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.61 : 23,074.70 = 9,167.63 : x
  2. Step 2: Convert to fraction form
    16,720.61/23,074.70 = 9,167.63/x
  3. Step 3: Cross multiply
    16,720.61x = 23,074.70 × 9,167.63
  4. Step 4: Simplify right side
    16,720.61x = 211,540,150.75
  5. Step 5: Solve for x
    x = 211,540,150.75/16,720.61
  6. Step 6: Final answer
    x = 12,651.47

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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.