Home / 13,588.77-18,732.84-9,543.27

Finding the Fourth Proportional to 13,588.77, 18,732.84 and 9,543.27

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Solution

The fourth proportional to 13,588.77, 18,732.84 and 9,543.27 is: 13,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.77 : 18,732.84 = 9,543.27 : x
  2. Step 2: Convert to fraction form
    13,588.77/18,732.84 = 9,543.27/x
  3. Step 3: Cross multiply
    13,588.77x = 18,732.84 × 9,543.27
  4. Step 4: Simplify right side
    13,588.77x = 178,772,549.99
  5. Step 5: Solve for x
    x = 178,772,549.99/13,588.77
  6. Step 6: Final answer
    x = 13,155.90

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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.