Home / 18,678.77-25,776.31-10,295.27

Finding the Fourth Proportional to 18,678.77, 25,776.31 and 10,295.27

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Solution

The fourth proportional to 18,678.77, 25,776.31 and 10,295.27 is: 14,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678.77 : 25,776.31 = 10,295.27 : x
  2. Step 2: Convert to fraction form
    18,678.77/25,776.31 = 10,295.27/x
  3. Step 3: Cross multiply
    18,678.77x = 25,776.31 × 10,295.27
  4. Step 4: Simplify right side
    18,678.77x = 265,374,071.05
  5. Step 5: Solve for x
    x = 265,374,071.05/18,678.77
  6. Step 6: Final answer
    x = 14,207.26

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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.