Home / 13,865.06-19,133.80-7,577.44

Finding the Fourth Proportional to 13,865.06, 19,133.80 and 7,577.44

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Solution

The fourth proportional to 13,865.06, 19,133.80 and 7,577.44 is: 10,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865.06 : 19,133.80 = 7,577.44 : x
  2. Step 2: Convert to fraction form
    13,865.06/19,133.80 = 7,577.44/x
  3. Step 3: Cross multiply
    13,865.06x = 19,133.80 × 7,577.44
  4. Step 4: Simplify right side
    13,865.06x = 144,985,154.69
  5. Step 5: Solve for x
    x = 144,985,154.69/13,865.06
  6. Step 6: Final answer
    x = 10,456.87

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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.