Home / 13,545.36-18,692.52-7,577.04

Finding the Fourth Proportional to 13,545.36, 18,692.52 and 7,577.04

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Solution

The fourth proportional to 13,545.36, 18,692.52 and 7,577.04 is: 10,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.36 : 18,692.52 = 7,577.04 : x
  2. Step 2: Convert to fraction form
    13,545.36/18,692.52 = 7,577.04/x
  3. Step 3: Cross multiply
    13,545.36x = 18,692.52 × 7,577.04
  4. Step 4: Simplify right side
    13,545.36x = 141,633,971.74
  5. Step 5: Solve for x
    x = 141,633,971.74/13,545.36
  6. Step 6: Final answer
    x = 10,456.27

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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.