Home / 13,012.23-19,507.38-5,110.35

Finding the Fourth Proportional to 13,012.23, 19,507.38 and 5,110.35

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Solution

The fourth proportional to 13,012.23, 19,507.38 and 5,110.35 is: 7,661.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.23 : 19,507.38 = 5,110.35 : x
  2. Step 2: Convert to fraction form
    13,012.23/19,507.38 = 5,110.35/x
  3. Step 3: Cross multiply
    13,012.23x = 19,507.38 × 5,110.35
  4. Step 4: Simplify right side
    13,012.23x = 99,689,539.38
  5. Step 5: Solve for x
    x = 99,689,539.38/13,012.23
  6. Step 6: Final answer
    x = 7,661.22

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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.