Home / 13,957.30-19,261.20-7,669.68

Finding the Fourth Proportional to 13,957.30, 19,261.20 and 7,669.68

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Solution

The fourth proportional to 13,957.30, 19,261.20 and 7,669.68 is: 10,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.30 : 19,261.20 = 7,669.68 : x
  2. Step 2: Convert to fraction form
    13,957.30/19,261.20 = 7,669.68/x
  3. Step 3: Cross multiply
    13,957.30x = 19,261.20 × 7,669.68
  4. Step 4: Simplify right side
    13,957.30x = 147,727,240.42
  5. Step 5: Solve for x
    x = 147,727,240.42/13,957.30
  6. Step 6: Final answer
    x = 10,584.23

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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.