Home / 25,291.14-34,899.21-13,961.13

Finding the Fourth Proportional to 25,291.14, 34,899.21 and 13,961.13

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Solution

The fourth proportional to 25,291.14, 34,899.21 and 13,961.13 is: 19,264.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,291.14 : 34,899.21 = 13,961.13 : x
  2. Step 2: Convert to fraction form
    25,291.14/34,899.21 = 13,961.13/x
  3. Step 3: Cross multiply
    25,291.14x = 34,899.21 × 13,961.13
  4. Step 4: Simplify right side
    25,291.14x = 487,232,407.71
  5. Step 5: Solve for x
    x = 487,232,407.71/25,291.14
  6. Step 6: Final answer
    x = 19,264.94

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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.