Home / 19,544.77-29,300.64-13,287.21

Finding the Fourth Proportional to 19,544.77, 29,300.64 and 13,287.21

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Solution

The fourth proportional to 19,544.77, 29,300.64 and 13,287.21 is: 19,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,544.77 : 29,300.64 = 13,287.21 : x
  2. Step 2: Convert to fraction form
    19,544.77/29,300.64 = 13,287.21/x
  3. Step 3: Cross multiply
    19,544.77x = 29,300.64 × 13,287.21
  4. Step 4: Simplify right side
    19,544.77x = 389,323,756.81
  5. Step 5: Solve for x
    x = 389,323,756.81/19,544.77
  6. Step 6: Final answer
    x = 19,919.59

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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.