Home / 25,012.14-34,516.80-13,681.70

Finding the Fourth Proportional to 25,012.14, 34,516.80 and 13,681.70

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Solution

The fourth proportional to 25,012.14, 34,516.80 and 13,681.70 is: 18,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,012.14 : 34,516.80 = 13,681.70 : x
  2. Step 2: Convert to fraction form
    25,012.14/34,516.80 = 13,681.70/x
  3. Step 3: Cross multiply
    25,012.14x = 34,516.80 × 13,681.70
  4. Step 4: Simplify right side
    25,012.14x = 472,248,329.98
  5. Step 5: Solve for x
    x = 472,248,329.98/25,012.14
  6. Step 6: Final answer
    x = 18,880.76

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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.