Home / 25,012.34-34,515.74-13,679.63

Finding the Fourth Proportional to 25,012.34, 34,515.74 and 13,679.63

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Solution

The fourth proportional to 25,012.34, 34,515.74 and 13,679.63 is: 18,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,012.34 : 34,515.74 = 13,679.63 : x
  2. Step 2: Convert to fraction form
    25,012.34/34,515.74 = 13,679.63/x
  3. Step 3: Cross multiply
    25,012.34x = 34,515.74 × 13,679.63
  4. Step 4: Simplify right side
    25,012.34x = 472,162,672.86
  5. Step 5: Solve for x
    x = 472,162,672.86/25,012.34
  6. Step 6: Final answer
    x = 18,877.19

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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.