Home / 18,890.42-26,068.71-10,506.92

Finding the Fourth Proportional to 18,890.42, 26,068.71 and 10,506.92

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Solution

The fourth proportional to 18,890.42, 26,068.71 and 10,506.92 is: 14,499.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890.42 : 26,068.71 = 10,506.92 : x
  2. Step 2: Convert to fraction form
    18,890.42/26,068.71 = 10,506.92/x
  3. Step 3: Cross multiply
    18,890.42x = 26,068.71 × 10,506.92
  4. Step 4: Simplify right side
    18,890.42x = 273,901,850.47
  5. Step 5: Solve for x
    x = 273,901,850.47/18,890.42
  6. Step 6: Final answer
    x = 14,499.51

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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.