Home / 11,317.48-15,618.66-7,011.64

Finding the Fourth Proportional to 11,317.48, 15,618.66 and 7,011.64

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Solution

The fourth proportional to 11,317.48, 15,618.66 and 7,011.64 is: 9,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.48 : 15,618.66 = 7,011.64 : x
  2. Step 2: Convert to fraction form
    11,317.48/15,618.66 = 7,011.64/x
  3. Step 3: Cross multiply
    11,317.48x = 15,618.66 × 7,011.64
  4. Step 4: Simplify right side
    11,317.48x = 109,512,421.20
  5. Step 5: Solve for x
    x = 109,512,421.20/11,317.48
  6. Step 6: Final answer
    x = 9,676.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.