Home / 15,401.89-23,112.01-6,516.75

Finding the Fourth Proportional to 15,401.89, 23,112.01 and 6,516.75

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Solution

The fourth proportional to 15,401.89, 23,112.01 and 6,516.75 is: 9,779.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401.89 : 23,112.01 = 6,516.75 : x
  2. Step 2: Convert to fraction form
    15,401.89/23,112.01 = 6,516.75/x
  3. Step 3: Cross multiply
    15,401.89x = 23,112.01 × 6,516.75
  4. Step 4: Simplify right side
    15,401.89x = 150,615,191.17
  5. Step 5: Solve for x
    x = 150,615,191.17/15,401.89
  6. Step 6: Final answer
    x = 9,779.01

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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.