Home / 13,477.19-20,208.18-5,575.23

Finding the Fourth Proportional to 13,477.19, 20,208.18 and 5,575.23

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Solution

The fourth proportional to 13,477.19, 20,208.18 and 5,575.23 is: 8,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.19 : 20,208.18 = 5,575.23 : x
  2. Step 2: Convert to fraction form
    13,477.19/20,208.18 = 5,575.23/x
  3. Step 3: Cross multiply
    13,477.19x = 20,208.18 × 5,575.23
  4. Step 4: Simplify right side
    13,477.19x = 112,665,272.29
  5. Step 5: Solve for x
    x = 112,665,272.29/13,477.19
  6. Step 6: Final answer
    x = 8,359.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.