Home / 9,862.94-13,610.79-5,386.69

Finding the Fourth Proportional to 9,862.94, 13,610.79 and 5,386.69

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Solution

The fourth proportional to 9,862.94, 13,610.79 and 5,386.69 is: 7,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.94 : 13,610.79 = 5,386.69 : x
  2. Step 2: Convert to fraction form
    9,862.94/13,610.79 = 5,386.69/x
  3. Step 3: Cross multiply
    9,862.94x = 13,610.79 × 5,386.69
  4. Step 4: Simplify right side
    9,862.94x = 73,317,113.48
  5. Step 5: Solve for x
    x = 73,317,113.48/9,862.94
  6. Step 6: Final answer
    x = 7,433.60

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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.