Home / 9,345.54-14,021.68-4,665.18

Finding the Fourth Proportional to 9,345.54, 14,021.68 and 4,665.18

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Solution

The fourth proportional to 9,345.54, 14,021.68 and 4,665.18 is: 6,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345.54 : 14,021.68 = 4,665.18 : x
  2. Step 2: Convert to fraction form
    9,345.54/14,021.68 = 4,665.18/x
  3. Step 3: Cross multiply
    9,345.54x = 14,021.68 × 4,665.18
  4. Step 4: Simplify right side
    9,345.54x = 65,413,661.10
  5. Step 5: Solve for x
    x = 65,413,661.10/9,345.54
  6. Step 6: Final answer
    x = 6,999.45

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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.