Home / 23,969.77-33,078.45-13,360.09

Finding the Fourth Proportional to 23,969.77, 33,078.45 and 13,360.09

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Solution

The fourth proportional to 23,969.77, 33,078.45 and 13,360.09 is: 18,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,969.77 : 33,078.45 = 13,360.09 : x
  2. Step 2: Convert to fraction form
    23,969.77/33,078.45 = 13,360.09/x
  3. Step 3: Cross multiply
    23,969.77x = 33,078.45 × 13,360.09
  4. Step 4: Simplify right side
    23,969.77x = 441,931,060.91
  5. Step 5: Solve for x
    x = 441,931,060.91/23,969.77
  6. Step 6: Final answer
    x = 18,437.01

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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.