Home / 12,430.98-18,649.26-6,591.69

Finding the Fourth Proportional to 12,430.98, 18,649.26 and 6,591.69

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Solution

The fourth proportional to 12,430.98, 18,649.26 and 6,591.69 is: 9,889.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430.98 : 18,649.26 = 6,591.69 : x
  2. Step 2: Convert to fraction form
    12,430.98/18,649.26 = 6,591.69/x
  3. Step 3: Cross multiply
    12,430.98x = 18,649.26 × 6,591.69
  4. Step 4: Simplify right side
    12,430.98x = 122,930,140.65
  5. Step 5: Solve for x
    x = 122,930,140.65/12,430.98
  6. Step 6: Final answer
    x = 9,889.01

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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.