Home / 13,957.97-19,262.15-7,670.35

Finding the Fourth Proportional to 13,957.97, 19,262.15 and 7,670.35

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Solution

The fourth proportional to 13,957.97, 19,262.15 and 7,670.35 is: 10,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.97 : 19,262.15 = 7,670.35 : x
  2. Step 2: Convert to fraction form
    13,957.97/19,262.15 = 7,670.35/x
  3. Step 3: Cross multiply
    13,957.97x = 19,262.15 × 7,670.35
  4. Step 4: Simplify right side
    13,957.97x = 147,747,432.25
  5. Step 5: Solve for x
    x = 147,747,432.25/13,957.97
  6. Step 6: Final answer
    x = 10,585.17

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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.