Home / 25,216.85-34,798.97-13,886.12

Finding the Fourth Proportional to 25,216.85, 34,798.97 and 13,886.12

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Solution

The fourth proportional to 25,216.85, 34,798.97 and 13,886.12 is: 19,162.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,216.85 : 34,798.97 = 13,886.12 : x
  2. Step 2: Convert to fraction form
    25,216.85/34,798.97 = 13,886.12/x
  3. Step 3: Cross multiply
    25,216.85x = 34,798.97 × 13,886.12
  4. Step 4: Simplify right side
    25,216.85x = 483,222,795.01
  5. Step 5: Solve for x
    x = 483,222,795.01/25,216.85
  6. Step 6: Final answer
    x = 19,162.69

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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.