Home / 13,945.55-19,244.93-7,572.15

Finding the Fourth Proportional to 13,945.55, 19,244.93 and 7,572.15

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Solution

The fourth proportional to 13,945.55, 19,244.93 and 7,572.15 is: 10,449.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.55 : 19,244.93 = 7,572.15 : x
  2. Step 2: Convert to fraction form
    13,945.55/19,244.93 = 7,572.15/x
  3. Step 3: Cross multiply
    13,945.55x = 19,244.93 × 7,572.15
  4. Step 4: Simplify right side
    13,945.55x = 145,725,458.84
  5. Step 5: Solve for x
    x = 145,725,458.84/13,945.55
  6. Step 6: Final answer
    x = 10,449.61

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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.