Home / 16,899.48-23,319.24-9,344.79

Finding the Fourth Proportional to 16,899.48, 23,319.24 and 9,344.79

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Solution

The fourth proportional to 16,899.48, 23,319.24 and 9,344.79 is: 12,894.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.48 : 23,319.24 = 9,344.79 : x
  2. Step 2: Convert to fraction form
    16,899.48/23,319.24 = 9,344.79/x
  3. Step 3: Cross multiply
    16,899.48x = 23,319.24 × 9,344.79
  4. Step 4: Simplify right side
    16,899.48x = 217,913,400.76
  5. Step 5: Solve for x
    x = 217,913,400.76/16,899.48
  6. Step 6: Final answer
    x = 12,894.68

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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.