Home / 13,957.92-19,261.80-7,670.30

Finding the Fourth Proportional to 13,957.92, 19,261.80 and 7,670.30

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Solution

The fourth proportional to 13,957.92, 19,261.80 and 7,670.30 is: 10,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.92 : 19,261.80 = 7,670.30 : x
  2. Step 2: Convert to fraction form
    13,957.92/19,261.80 = 7,670.30/x
  3. Step 3: Cross multiply
    13,957.92x = 19,261.80 × 7,670.30
  4. Step 4: Simplify right side
    13,957.92x = 147,743,688.23
  5. Step 5: Solve for x
    x = 147,743,688.23/13,957.92
  6. Step 6: Final answer
    x = 10,584.94

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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.