Home / 14,127.90-21,195.34-9,976.04

Finding the Fourth Proportional to 14,127.90, 21,195.34 and 9,976.04

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Solution

The fourth proportional to 14,127.90, 21,195.34 and 9,976.04 is: 14,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.90 : 21,195.34 = 9,976.04 : x
  2. Step 2: Convert to fraction form
    14,127.90/21,195.34 = 9,976.04/x
  3. Step 3: Cross multiply
    14,127.90x = 21,195.34 × 9,976.04
  4. Step 4: Simplify right side
    14,127.90x = 211,445,559.65
  5. Step 5: Solve for x
    x = 211,445,559.65/14,127.90
  6. Step 6: Final answer
    x = 14,966.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.