Home / 13,865.54-19,134.46-7,577.92

Finding the Fourth Proportional to 13,865.54, 19,134.46 and 7,577.92

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Solution

The fourth proportional to 13,865.54, 19,134.46 and 7,577.92 is: 10,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865.54 : 19,134.46 = 7,577.92 : x
  2. Step 2: Convert to fraction form
    13,865.54/19,134.46 = 7,577.92/x
  3. Step 3: Cross multiply
    13,865.54x = 19,134.46 × 7,577.92
  4. Step 4: Simplify right side
    13,865.54x = 144,999,407.12
  5. Step 5: Solve for x
    x = 144,999,407.12/13,865.54
  6. Step 6: Final answer
    x = 10,457.54

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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.