Home / 13,208.19-19,790.00-6,535.79

Finding the Fourth Proportional to 13,208.19, 19,790.00 and 6,535.79

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Solution

The fourth proportional to 13,208.19, 19,790.00 and 6,535.79 is: 9,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.19 : 19,790.00 = 6,535.79 : x
  2. Step 2: Convert to fraction form
    13,208.19/19,790.00 = 6,535.79/x
  3. Step 3: Cross multiply
    13,208.19x = 19,790.00 × 6,535.79
  4. Step 4: Simplify right side
    13,208.19x = 129,343,232.81
  5. Step 5: Solve for x
    x = 129,343,232.81/13,208.19
  6. Step 6: Final answer
    x = 9,792.65

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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.