Home / 13,633.36-20,430.86-10,847.64

Finding the Fourth Proportional to 13,633.36, 20,430.86 and 10,847.64

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Solution

The fourth proportional to 13,633.36, 20,430.86 and 10,847.64 is: 16,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.36 : 20,430.86 = 10,847.64 : x
  2. Step 2: Convert to fraction form
    13,633.36/20,430.86 = 10,847.64/x
  3. Step 3: Cross multiply
    13,633.36x = 20,430.86 × 10,847.64
  4. Step 4: Simplify right side
    13,633.36x = 221,626,614.17
  5. Step 5: Solve for x
    x = 221,626,614.17/13,633.36
  6. Step 6: Final answer
    x = 16,256.20

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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.