Home / 14,297.40-21,470.40-9,388.80

Finding the Fourth Proportional to 14,297.40, 21,470.40 and 9,388.80

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Solution

The fourth proportional to 14,297.40, 21,470.40 and 9,388.80 is: 14,099.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.40 : 21,470.40 = 9,388.80 : x
  2. Step 2: Convert to fraction form
    14,297.40/21,470.40 = 9,388.80/x
  3. Step 3: Cross multiply
    14,297.40x = 21,470.40 × 9,388.80
  4. Step 4: Simplify right side
    14,297.40x = 201,581,291.52
  5. Step 5: Solve for x
    x = 201,581,291.52/14,297.40
  6. Step 6: Final answer
    x = 14,099.16

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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.