Home / 13,281.60-19,917.81-5,891.23

Finding the Fourth Proportional to 13,281.60, 19,917.81 and 5,891.23

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Solution

The fourth proportional to 13,281.60, 19,917.81 and 5,891.23 is: 8,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.60 : 19,917.81 = 5,891.23 : x
  2. Step 2: Convert to fraction form
    13,281.60/19,917.81 = 5,891.23/x
  3. Step 3: Cross multiply
    13,281.60x = 19,917.81 × 5,891.23
  4. Step 4: Simplify right side
    13,281.60x = 117,340,399.81
  5. Step 5: Solve for x
    x = 117,340,399.81/13,281.60
  6. Step 6: Final answer
    x = 8,834.81

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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.