Home / 16,653.19-22,980.68-9,099.40

Finding the Fourth Proportional to 16,653.19, 22,980.68 and 9,099.40

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Solution

The fourth proportional to 16,653.19, 22,980.68 and 9,099.40 is: 12,556.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.19 : 22,980.68 = 9,099.40 : x
  2. Step 2: Convert to fraction form
    16,653.19/22,980.68 = 9,099.40/x
  3. Step 3: Cross multiply
    16,653.19x = 22,980.68 × 9,099.40
  4. Step 4: Simplify right side
    16,653.19x = 209,110,284.69
  5. Step 5: Solve for x
    x = 209,110,284.69/16,653.19
  6. Step 6: Final answer
    x = 12,556.77

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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.