Home / 11,345.36-17,021.64-6,148.40

Finding the Fourth Proportional to 11,345.36, 17,021.64 and 6,148.40

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Solution

The fourth proportional to 11,345.36, 17,021.64 and 6,148.40 is: 9,224.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.36 : 17,021.64 = 6,148.40 : x
  2. Step 2: Convert to fraction form
    11,345.36/17,021.64 = 6,148.40/x
  3. Step 3: Cross multiply
    11,345.36x = 17,021.64 × 6,148.40
  4. Step 4: Simplify right side
    11,345.36x = 104,655,851.38
  5. Step 5: Solve for x
    x = 104,655,851.38/11,345.36
  6. Step 6: Final answer
    x = 9,224.55

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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.