Home / 13,178.03-19,765.01-4,856.90

Finding the Fourth Proportional to 13,178.03, 19,765.01 and 4,856.90

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Solution

The fourth proportional to 13,178.03, 19,765.01 and 4,856.90 is: 7,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.03 : 19,765.01 = 4,856.90 : x
  2. Step 2: Convert to fraction form
    13,178.03/19,765.01 = 4,856.90/x
  3. Step 3: Cross multiply
    13,178.03x = 19,765.01 × 4,856.90
  4. Step 4: Simplify right side
    13,178.03x = 95,996,590.39
  5. Step 5: Solve for x
    x = 95,996,590.39/13,178.03
  6. Step 6: Final answer
    x = 7,284.60

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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.