Home / 12,556.17-18,808.74-10,077.57

Finding the Fourth Proportional to 12,556.17, 18,808.74 and 10,077.57

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Solution

The fourth proportional to 12,556.17, 18,808.74 and 10,077.57 is: 15,095.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.17 : 18,808.74 = 10,077.57 : x
  2. Step 2: Convert to fraction form
    12,556.17/18,808.74 = 10,077.57/x
  3. Step 3: Cross multiply
    12,556.17x = 18,808.74 × 10,077.57
  4. Step 4: Simplify right side
    12,556.17x = 189,546,393.96
  5. Step 5: Solve for x
    x = 189,546,393.96/12,556.17
  6. Step 6: Final answer
    x = 15,095.88

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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.