Home / 9,860.28-13,606.83-5,383.95

Finding the Fourth Proportional to 9,860.28, 13,606.83 and 5,383.95

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Solution

The fourth proportional to 9,860.28, 13,606.83 and 5,383.95 is: 7,429.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.28 : 13,606.83 = 5,383.95 : x
  2. Step 2: Convert to fraction form
    9,860.28/13,606.83 = 5,383.95/x
  3. Step 3: Cross multiply
    9,860.28x = 13,606.83 × 5,383.95
  4. Step 4: Simplify right side
    9,860.28x = 73,258,492.38
  5. Step 5: Solve for x
    x = 73,258,492.38/9,860.28
  6. Step 6: Final answer
    x = 7,429.66

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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.