Home / 14,476.40-21,704.10-9,784.80

Finding the Fourth Proportional to 14,476.40, 21,704.10 and 9,784.80

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Solution

The fourth proportional to 14,476.40, 21,704.10 and 9,784.80 is: 14,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,476.40 : 21,704.10 = 9,784.80 : x
  2. Step 2: Convert to fraction form
    14,476.40/21,704.10 = 9,784.80/x
  3. Step 3: Cross multiply
    14,476.40x = 21,704.10 × 9,784.80
  4. Step 4: Simplify right side
    14,476.40x = 212,370,277.68
  5. Step 5: Solve for x
    x = 212,370,277.68/14,476.40
  6. Step 6: Final answer
    x = 14,670.10

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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.