Home / 13,799.36-19,043.12-7,511.76

Finding the Fourth Proportional to 13,799.36, 19,043.12 and 7,511.76

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Solution

The fourth proportional to 13,799.36, 19,043.12 and 7,511.76 is: 10,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.36 : 19,043.12 = 7,511.76 : x
  2. Step 2: Convert to fraction form
    13,799.36/19,043.12 = 7,511.76/x
  3. Step 3: Cross multiply
    13,799.36x = 19,043.12 × 7,511.76
  4. Step 4: Simplify right side
    13,799.36x = 143,047,347.09
  5. Step 5: Solve for x
    x = 143,047,347.09/13,799.36
  6. Step 6: Final answer
    x = 10,366.23

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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.