Home / 13,368.03-20,009.92-11,959.17

Finding the Fourth Proportional to 13,368.03, 20,009.92 and 11,959.17

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Solution

The fourth proportional to 13,368.03, 20,009.92 and 11,959.17 is: 17,901.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.03 : 20,009.92 = 11,959.17 : x
  2. Step 2: Convert to fraction form
    13,368.03/20,009.92 = 11,959.17/x
  3. Step 3: Cross multiply
    13,368.03x = 20,009.92 × 11,959.17
  4. Step 4: Simplify right side
    13,368.03x = 239,301,905.02
  5. Step 5: Solve for x
    x = 239,301,905.02/13,368.03
  6. Step 6: Final answer
    x = 17,901.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.