Home / 13,957.32-19,254.60-8,650.20

Finding the Fourth Proportional to 13,957.32, 19,254.60 and 8,650.20

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Solution

The fourth proportional to 13,957.32, 19,254.60 and 8,650.20 is: 11,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.32 : 19,254.60 = 8,650.20 : x
  2. Step 2: Convert to fraction form
    13,957.32/19,254.60 = 8,650.20/x
  3. Step 3: Cross multiply
    13,957.32x = 19,254.60 × 8,650.20
  4. Step 4: Simplify right side
    13,957.32x = 166,556,140.92
  5. Step 5: Solve for x
    x = 166,556,140.92/13,957.32
  6. Step 6: Final answer
    x = 11,933.25

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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.