Home / 15,515.19-23,259.06-6,161.76

Finding the Fourth Proportional to 15,515.19, 23,259.06 and 6,161.76

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Solution

The fourth proportional to 15,515.19, 23,259.06 and 6,161.76 is: 9,237.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.19 : 23,259.06 = 6,161.76 : x
  2. Step 2: Convert to fraction form
    15,515.19/23,259.06 = 6,161.76/x
  3. Step 3: Cross multiply
    15,515.19x = 23,259.06 × 6,161.76
  4. Step 4: Simplify right side
    15,515.19x = 143,316,745.55
  5. Step 5: Solve for x
    x = 143,316,745.55/15,515.19
  6. Step 6: Final answer
    x = 9,237.19

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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.