Home / 9,847.63-13,588.80-5,371.28

Finding the Fourth Proportional to 9,847.63, 13,588.80 and 5,371.28

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Solution

The fourth proportional to 9,847.63, 13,588.80 and 5,371.28 is: 7,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,847.63 : 13,588.80 = 5,371.28 : x
  2. Step 2: Convert to fraction form
    9,847.63/13,588.80 = 5,371.28/x
  3. Step 3: Cross multiply
    9,847.63x = 13,588.80 × 5,371.28
  4. Step 4: Simplify right side
    9,847.63x = 72,989,249.66
  5. Step 5: Solve for x
    x = 72,989,249.66/9,847.63
  6. Step 6: Final answer
    x = 7,411.86

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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.