Home / 11,429.08-15,763.66-8,068.39

Finding the Fourth Proportional to 11,429.08, 15,763.66 and 8,068.39

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Solution

The fourth proportional to 11,429.08, 15,763.66 and 8,068.39 is: 11,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.08 : 15,763.66 = 8,068.39 : x
  2. Step 2: Convert to fraction form
    11,429.08/15,763.66 = 8,068.39/x
  3. Step 3: Cross multiply
    11,429.08x = 15,763.66 × 8,068.39
  4. Step 4: Simplify right side
    11,429.08x = 127,187,356.71
  5. Step 5: Solve for x
    x = 127,187,356.71/11,429.08
  6. Step 6: Final answer
    x = 11,128.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.