Home / 18,303.36-27,455.22-5,155.98

Finding the Fourth Proportional to 18,303.36, 27,455.22 and 5,155.98

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Solution

The fourth proportional to 18,303.36, 27,455.22 and 5,155.98 is: 7,734.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.36 : 27,455.22 = 5,155.98 : x
  2. Step 2: Convert to fraction form
    18,303.36/27,455.22 = 5,155.98/x
  3. Step 3: Cross multiply
    18,303.36x = 27,455.22 × 5,155.98
  4. Step 4: Simplify right side
    18,303.36x = 141,558,565.22
  5. Step 5: Solve for x
    x = 141,558,565.22/18,303.36
  6. Step 6: Final answer
    x = 7,734.02

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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.