Home / 12,708.18-19,055.77-5,310.62

Finding the Fourth Proportional to 12,708.18, 19,055.77 and 5,310.62

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Solution

The fourth proportional to 12,708.18, 19,055.77 and 5,310.62 is: 7,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.18 : 19,055.77 = 5,310.62 : x
  2. Step 2: Convert to fraction form
    12,708.18/19,055.77 = 5,310.62/x
  3. Step 3: Cross multiply
    12,708.18x = 19,055.77 × 5,310.62
  4. Step 4: Simplify right side
    12,708.18x = 101,197,953.28
  5. Step 5: Solve for x
    x = 101,197,953.28/12,708.18
  6. Step 6: Final answer
    x = 7,963.21

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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.