Home / 12,765.48-19,126.32-10,141.08

Finding the Fourth Proportional to 12,765.48, 19,126.32 and 10,141.08

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Solution

The fourth proportional to 12,765.48, 19,126.32 and 10,141.08 is: 15,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765.48 : 19,126.32 = 10,141.08 : x
  2. Step 2: Convert to fraction form
    12,765.48/19,126.32 = 10,141.08/x
  3. Step 3: Cross multiply
    12,765.48x = 19,126.32 × 10,141.08
  4. Step 4: Simplify right side
    12,765.48x = 193,961,541.23
  5. Step 5: Solve for x
    x = 193,961,541.23/12,765.48
  6. Step 6: Final answer
    x = 15,194.22

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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.