Home / 10,021.10-15,017.79-8,701.71

Finding the Fourth Proportional to 10,021.10, 15,017.79 and 8,701.71

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Solution

The fourth proportional to 10,021.10, 15,017.79 and 8,701.71 is: 13,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.10 : 15,017.79 = 8,701.71 : x
  2. Step 2: Convert to fraction form
    10,021.10/15,017.79 = 8,701.71/x
  3. Step 3: Cross multiply
    10,021.10x = 15,017.79 × 8,701.71
  4. Step 4: Simplify right side
    10,021.10x = 130,680,453.42
  5. Step 5: Solve for x
    x = 130,680,453.42/10,021.10
  6. Step 6: Final answer
    x = 13,040.54

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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.