Home / 18,890.38-26,068.66-10,506.88

Finding the Fourth Proportional to 18,890.38, 26,068.66 and 10,506.88

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Solution

The fourth proportional to 18,890.38, 26,068.66 and 10,506.88 is: 14,499.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890.38 : 26,068.66 = 10,506.88 : x
  2. Step 2: Convert to fraction form
    18,890.38/26,068.66 = 10,506.88/x
  3. Step 3: Cross multiply
    18,890.38x = 26,068.66 × 10,506.88
  4. Step 4: Simplify right side
    18,890.38x = 273,900,282.38
  5. Step 5: Solve for x
    x = 273,900,282.38/18,890.38
  6. Step 6: Final answer
    x = 14,499.46

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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.