Home / 13,260.09-19,890.14-6,313.53

Finding the Fourth Proportional to 13,260.09, 19,890.14 and 6,313.53

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Solution

The fourth proportional to 13,260.09, 19,890.14 and 6,313.53 is: 9,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.09 : 19,890.14 = 6,313.53 : x
  2. Step 2: Convert to fraction form
    13,260.09/19,890.14 = 6,313.53/x
  3. Step 3: Cross multiply
    13,260.09x = 19,890.14 × 6,313.53
  4. Step 4: Simplify right side
    13,260.09x = 125,576,964.03
  5. Step 5: Solve for x
    x = 125,576,964.03/13,260.09
  6. Step 6: Final answer
    x = 9,470.30

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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.