Home / 11,657.21-17,487.53-4,259.94

Finding the Fourth Proportional to 11,657.21, 17,487.53 and 4,259.94

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Solution

The fourth proportional to 11,657.21, 17,487.53 and 4,259.94 is: 6,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.21 : 17,487.53 = 4,259.94 : x
  2. Step 2: Convert to fraction form
    11,657.21/17,487.53 = 4,259.94/x
  3. Step 3: Cross multiply
    11,657.21x = 17,487.53 × 4,259.94
  4. Step 4: Simplify right side
    11,657.21x = 74,495,828.55
  5. Step 5: Solve for x
    x = 74,495,828.55/11,657.21
  6. Step 6: Final answer
    x = 6,390.54

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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.