Home / 9,430.47-14,145.26-2,857.16

Finding the Fourth Proportional to 9,430.47, 14,145.26 and 2,857.16

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Solution

The fourth proportional to 9,430.47, 14,145.26 and 2,857.16 is: 4,285.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.47 : 14,145.26 = 2,857.16 : x
  2. Step 2: Convert to fraction form
    9,430.47/14,145.26 = 2,857.16/x
  3. Step 3: Cross multiply
    9,430.47x = 14,145.26 × 2,857.16
  4. Step 4: Simplify right side
    9,430.47x = 40,415,292.14
  5. Step 5: Solve for x
    x = 40,415,292.14/9,430.47
  6. Step 6: Final answer
    x = 4,285.61

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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.