Home / 14,285.56-19,704.18-9,801.40

Finding the Fourth Proportional to 14,285.56, 19,704.18 and 9,801.40

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Solution

The fourth proportional to 14,285.56, 19,704.18 and 9,801.40 is: 13,519.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.56 : 19,704.18 = 9,801.40 : x
  2. Step 2: Convert to fraction form
    14,285.56/19,704.18 = 9,801.40/x
  3. Step 3: Cross multiply
    14,285.56x = 19,704.18 × 9,801.40
  4. Step 4: Simplify right side
    14,285.56x = 193,128,549.85
  5. Step 5: Solve for x
    x = 193,128,549.85/14,285.56
  6. Step 6: Final answer
    x = 13,519.14

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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.