Home / 13,947.74-21,017.56-11,536.82

Finding the Fourth Proportional to 13,947.74, 21,017.56 and 11,536.82

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Solution

The fourth proportional to 13,947.74, 21,017.56 and 11,536.82 is: 17,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.74 : 21,017.56 = 11,536.82 : x
  2. Step 2: Convert to fraction form
    13,947.74/21,017.56 = 11,536.82/x
  3. Step 3: Cross multiply
    13,947.74x = 21,017.56 × 11,536.82
  4. Step 4: Simplify right side
    13,947.74x = 242,475,748.88
  5. Step 5: Solve for x
    x = 242,475,748.88/13,947.74
  6. Step 6: Final answer
    x = 17,384.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.