Home / 11,543.72-17,315.58-8,977.64

Finding the Fourth Proportional to 11,543.72, 17,315.58 and 8,977.64

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Solution

The fourth proportional to 11,543.72, 17,315.58 and 8,977.64 is: 13,466.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,543.72 : 17,315.58 = 8,977.64 : x
  2. Step 2: Convert to fraction form
    11,543.72/17,315.58 = 8,977.64/x
  3. Step 3: Cross multiply
    11,543.72x = 17,315.58 × 8,977.64
  4. Step 4: Simplify right side
    11,543.72x = 155,453,043.63
  5. Step 5: Solve for x
    x = 155,453,043.63/11,543.72
  6. Step 6: Final answer
    x = 13,466.46

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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.