Home / 19,102.96-26,364.36-10,720.72

Finding the Fourth Proportional to 19,102.96, 26,364.36 and 10,720.72

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Solution

The fourth proportional to 19,102.96, 26,364.36 and 10,720.72 is: 14,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102.96 : 26,364.36 = 10,720.72 : x
  2. Step 2: Convert to fraction form
    19,102.96/26,364.36 = 10,720.72/x
  3. Step 3: Cross multiply
    19,102.96x = 26,364.36 × 10,720.72
  4. Step 4: Simplify right side
    19,102.96x = 282,644,921.54
  5. Step 5: Solve for x
    x = 282,644,921.54/19,102.96
  6. Step 6: Final answer
    x = 14,795.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.