Home / 11,775.72-17,657.34-10,445.16

Finding the Fourth Proportional to 11,775.72, 17,657.34 and 10,445.16

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Solution

The fourth proportional to 11,775.72, 17,657.34 and 10,445.16 is: 15,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.72 : 17,657.34 = 10,445.16 : x
  2. Step 2: Convert to fraction form
    11,775.72/17,657.34 = 10,445.16/x
  3. Step 3: Cross multiply
    11,775.72x = 17,657.34 × 10,445.16
  4. Step 4: Simplify right side
    11,775.72x = 184,433,741.47
  5. Step 5: Solve for x
    x = 184,433,741.47/11,775.72
  6. Step 6: Final answer
    x = 15,662.21

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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.