Home / 13,543.92-18,692.16-7,577.10

Finding the Fourth Proportional to 13,543.92, 18,692.16 and 7,577.10

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Solution

The fourth proportional to 13,543.92, 18,692.16 and 7,577.10 is: 10,457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.92 : 18,692.16 = 7,577.10 : x
  2. Step 2: Convert to fraction form
    13,543.92/18,692.16 = 7,577.10/x
  3. Step 3: Cross multiply
    13,543.92x = 18,692.16 × 7,577.10
  4. Step 4: Simplify right side
    13,543.92x = 141,632,365.54
  5. Step 5: Solve for x
    x = 141,632,365.54/13,543.92
  6. Step 6: Final answer
    x = 10,457.27

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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.