Home / 19,625.76-29,384.67-13,708.56

Finding the Fourth Proportional to 19,625.76, 29,384.67 and 13,708.56

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Solution

The fourth proportional to 19,625.76, 29,384.67 and 13,708.56 is: 20,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.76 : 29,384.67 = 13,708.56 : x
  2. Step 2: Convert to fraction form
    19,625.76/29,384.67 = 13,708.56/x
  3. Step 3: Cross multiply
    19,625.76x = 29,384.67 × 13,708.56
  4. Step 4: Simplify right side
    19,625.76x = 402,821,511.78
  5. Step 5: Solve for x
    x = 402,821,511.78/19,625.76
  6. Step 6: Final answer
    x = 20,525.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.