Home / 18,626.09-25,709.45-11,077.74

Finding the Fourth Proportional to 18,626.09, 25,709.45 and 11,077.74

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Solution

The fourth proportional to 18,626.09, 25,709.45 and 11,077.74 is: 15,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.09 : 25,709.45 = 11,077.74 : x
  2. Step 2: Convert to fraction form
    18,626.09/25,709.45 = 11,077.74/x
  3. Step 3: Cross multiply
    18,626.09x = 25,709.45 × 11,077.74
  4. Step 4: Simplify right side
    18,626.09x = 284,802,547.25
  5. Step 5: Solve for x
    x = 284,802,547.25/18,626.09
  6. Step 6: Final answer
    x = 15,290.52

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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.