Home / 9,800.18-13,528.39-6,617.79

Finding the Fourth Proportional to 9,800.18, 13,528.39 and 6,617.79

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Solution

The fourth proportional to 9,800.18, 13,528.39 and 6,617.79 is: 9,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.18 : 13,528.39 = 6,617.79 : x
  2. Step 2: Convert to fraction form
    9,800.18/13,528.39 = 6,617.79/x
  3. Step 3: Cross multiply
    9,800.18x = 13,528.39 × 6,617.79
  4. Step 4: Simplify right side
    9,800.18x = 89,528,044.06
  5. Step 5: Solve for x
    x = 89,528,044.06/9,800.18
  6. Step 6: Final answer
    x = 9,135.35

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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.