Home / 25,218.14-34,800.74-13,887.40

Finding the Fourth Proportional to 25,218.14, 34,800.74 and 13,887.40

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Solution

The fourth proportional to 25,218.14, 34,800.74 and 13,887.40 is: 19,164.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.14 : 34,800.74 = 13,887.40 : x
  2. Step 2: Convert to fraction form
    25,218.14/34,800.74 = 13,887.40/x
  3. Step 3: Cross multiply
    25,218.14x = 34,800.74 × 13,887.40
  4. Step 4: Simplify right side
    25,218.14x = 483,291,796.68
  5. Step 5: Solve for x
    x = 483,291,796.68/25,218.14
  6. Step 6: Final answer
    x = 19,164.45

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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.