Home / 14,120.53-19,470.36-9,009.21

Finding the Fourth Proportional to 14,120.53, 19,470.36 and 9,009.21

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Solution

The fourth proportional to 14,120.53, 19,470.36 and 9,009.21 is: 12,422.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.53 : 19,470.36 = 9,009.21 : x
  2. Step 2: Convert to fraction form
    14,120.53/19,470.36 = 9,009.21/x
  3. Step 3: Cross multiply
    14,120.53x = 19,470.36 × 9,009.21
  4. Step 4: Simplify right side
    14,120.53x = 175,412,545.12
  5. Step 5: Solve for x
    x = 175,412,545.12/14,120.53
  6. Step 6: Final answer
    x = 12,422.52

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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.