Home / 9,453.70-13,045.89-5,918.86

Finding the Fourth Proportional to 9,453.70, 13,045.89 and 5,918.86

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Solution

The fourth proportional to 9,453.70, 13,045.89 and 5,918.86 is: 8,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,453.70 : 13,045.89 = 5,918.86 : x
  2. Step 2: Convert to fraction form
    9,453.70/13,045.89 = 5,918.86/x
  3. Step 3: Cross multiply
    9,453.70x = 13,045.89 × 5,918.86
  4. Step 4: Simplify right side
    9,453.70x = 77,216,796.49
  5. Step 5: Solve for x
    x = 77,216,796.49/9,453.70
  6. Step 6: Final answer
    x = 8,167.89

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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.