Home / 22,041.30-30,417.06-11,969.91

Finding the Fourth Proportional to 22,041.30, 30,417.06 and 11,969.91

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Solution

The fourth proportional to 22,041.30, 30,417.06 and 11,969.91 is: 16,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,041.30 : 30,417.06 = 11,969.91 : x
  2. Step 2: Convert to fraction form
    22,041.30/30,417.06 = 11,969.91/x
  3. Step 3: Cross multiply
    22,041.30x = 30,417.06 × 11,969.91
  4. Step 4: Simplify right side
    22,041.30x = 364,089,470.66
  5. Step 5: Solve for x
    x = 364,089,470.66/22,041.30
  6. Step 6: Final answer
    x = 16,518.51

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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.