Home / 13,861.13-19,128.35-7,573.50

Finding the Fourth Proportional to 13,861.13, 19,128.35 and 7,573.50

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Solution

The fourth proportional to 13,861.13, 19,128.35 and 7,573.50 is: 10,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.13 : 19,128.35 = 7,573.50 : x
  2. Step 2: Convert to fraction form
    13,861.13/19,128.35 = 7,573.50/x
  3. Step 3: Cross multiply
    13,861.13x = 19,128.35 × 7,573.50
  4. Step 4: Simplify right side
    13,861.13x = 144,868,577.66
  5. Step 5: Solve for x
    x = 144,868,577.66/13,861.13
  6. Step 6: Final answer
    x = 10,451.43

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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.