Home / 13,690.19-20,535.30-3,301.94

Finding the Fourth Proportional to 13,690.19, 20,535.30 and 3,301.94

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Solution

The fourth proportional to 13,690.19, 20,535.30 and 3,301.94 is: 4,952.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690.19 : 20,535.30 = 3,301.94 : x
  2. Step 2: Convert to fraction form
    13,690.19/20,535.30 = 3,301.94/x
  3. Step 3: Cross multiply
    13,690.19x = 20,535.30 × 3,301.94
  4. Step 4: Simplify right side
    13,690.19x = 67,806,225.81
  5. Step 5: Solve for x
    x = 67,806,225.81/13,690.19
  6. Step 6: Final answer
    x = 4,952.91

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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.