Home / 12,775.04-19,164.72-5,850.08

Finding the Fourth Proportional to 12,775.04, 19,164.72 and 5,850.08

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Solution

The fourth proportional to 12,775.04, 19,164.72 and 5,850.08 is: 8,776.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775.04 : 19,164.72 = 5,850.08 : x
  2. Step 2: Convert to fraction form
    12,775.04/19,164.72 = 5,850.08/x
  3. Step 3: Cross multiply
    12,775.04x = 19,164.72 × 5,850.08
  4. Step 4: Simplify right side
    12,775.04x = 112,115,145.18
  5. Step 5: Solve for x
    x = 112,115,145.18/12,775.04
  6. Step 6: Final answer
    x = 8,776.11

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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.