Home / 9,898.24-13,654.60-5,918.30

Finding the Fourth Proportional to 9,898.24, 13,654.60 and 5,918.30

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Solution

The fourth proportional to 9,898.24, 13,654.60 and 5,918.30 is: 8,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,898.24 : 13,654.60 = 5,918.30 : x
  2. Step 2: Convert to fraction form
    9,898.24/13,654.60 = 5,918.30/x
  3. Step 3: Cross multiply
    9,898.24x = 13,654.60 × 5,918.30
  4. Step 4: Simplify right side
    9,898.24x = 80,812,019.18
  5. Step 5: Solve for x
    x = 80,812,019.18/9,898.24
  6. Step 6: Final answer
    x = 8,164.28

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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.