Home / 14,261.40-21,416.40-9,352.80

Finding the Fourth Proportional to 14,261.40, 21,416.40 and 9,352.80

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Solution

The fourth proportional to 14,261.40, 21,416.40 and 9,352.80 is: 14,045.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.40 : 21,416.40 = 9,352.80 : x
  2. Step 2: Convert to fraction form
    14,261.40/21,416.40 = 9,352.80/x
  3. Step 3: Cross multiply
    14,261.40x = 21,416.40 × 9,352.80
  4. Step 4: Simplify right side
    14,261.40x = 200,303,305.92
  5. Step 5: Solve for x
    x = 200,303,305.92/14,261.40
  6. Step 6: Final answer
    x = 14,045.14

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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.