Home / 13,000.59-19,486.60-5,100.72

Finding the Fourth Proportional to 13,000.59, 19,486.60 and 5,100.72

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Solution

The fourth proportional to 13,000.59, 19,486.60 and 5,100.72 is: 7,645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.59 : 19,486.60 = 5,100.72 : x
  2. Step 2: Convert to fraction form
    13,000.59/19,486.60 = 5,100.72/x
  3. Step 3: Cross multiply
    13,000.59x = 19,486.60 × 5,100.72
  4. Step 4: Simplify right side
    13,000.59x = 99,395,690.35
  5. Step 5: Solve for x
    x = 99,395,690.35/13,000.59
  6. Step 6: Final answer
    x = 7,645.48

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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.