Home / 13,957.04-19,240.80-9,976.70

Finding the Fourth Proportional to 13,957.04, 19,240.80 and 9,976.70

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Solution

The fourth proportional to 13,957.04, 19,240.80 and 9,976.70 is: 13,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.04 : 19,240.80 = 9,976.70 : x
  2. Step 2: Convert to fraction form
    13,957.04/19,240.80 = 9,976.70/x
  3. Step 3: Cross multiply
    13,957.04x = 19,240.80 × 9,976.70
  4. Step 4: Simplify right side
    13,957.04x = 191,959,689.36
  5. Step 5: Solve for x
    x = 191,959,689.36/13,957.04
  6. Step 6: Final answer
    x = 13,753.61

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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.