Home / 13,260.19-19,890.33-4,501.30

Finding the Fourth Proportional to 13,260.19, 19,890.33 and 4,501.30

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Solution

The fourth proportional to 13,260.19, 19,890.33 and 4,501.30 is: 6,751.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.19 : 19,890.33 = 4,501.30 : x
  2. Step 2: Convert to fraction form
    13,260.19/19,890.33 = 4,501.30/x
  3. Step 3: Cross multiply
    13,260.19x = 19,890.33 × 4,501.30
  4. Step 4: Simplify right side
    13,260.19x = 89,532,342.43
  5. Step 5: Solve for x
    x = 89,532,342.43/13,260.19
  6. Step 6: Final answer
    x = 6,751.97

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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.