Home / 16,253.40-22,430.04-9,180.36

Finding the Fourth Proportional to 16,253.40, 22,430.04 and 9,180.36

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Solution

The fourth proportional to 16,253.40, 22,430.04 and 9,180.36 is: 12,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,253.40 : 22,430.04 = 9,180.36 : x
  2. Step 2: Convert to fraction form
    16,253.40/22,430.04 = 9,180.36/x
  3. Step 3: Cross multiply
    16,253.40x = 22,430.04 × 9,180.36
  4. Step 4: Simplify right side
    16,253.40x = 205,915,842.01
  5. Step 5: Solve for x
    x = 205,915,842.01/16,253.40
  6. Step 6: Final answer
    x = 12,669.09

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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.