Home / 13,130.01-19,690.74-4,362.57

Finding the Fourth Proportional to 13,130.01, 19,690.74 and 4,362.57

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Solution

The fourth proportional to 13,130.01, 19,690.74 and 4,362.57 is: 6,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.01 : 19,690.74 = 4,362.57 : x
  2. Step 2: Convert to fraction form
    13,130.01/19,690.74 = 4,362.57/x
  3. Step 3: Cross multiply
    13,130.01x = 19,690.74 × 4,362.57
  4. Step 4: Simplify right side
    13,130.01x = 85,902,231.60
  5. Step 5: Solve for x
    x = 85,902,231.60/13,130.01
  6. Step 6: Final answer
    x = 6,542.43

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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.