Home / 9,430.84-14,146.32-2,857.51

Finding the Fourth Proportional to 9,430.84, 14,146.32 and 2,857.51

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Solution

The fourth proportional to 9,430.84, 14,146.32 and 2,857.51 is: 4,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.84 : 14,146.32 = 2,857.51 : x
  2. Step 2: Convert to fraction form
    9,430.84/14,146.32 = 2,857.51/x
  3. Step 3: Cross multiply
    9,430.84x = 14,146.32 × 2,857.51
  4. Step 4: Simplify right side
    9,430.84x = 40,423,180.13
  5. Step 5: Solve for x
    x = 40,423,180.13/9,430.84
  6. Step 6: Final answer
    x = 4,286.28

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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.