Home / 13,274.64-19,911.48-4,509.63

Finding the Fourth Proportional to 13,274.64, 19,911.48 and 4,509.63

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Solution

The fourth proportional to 13,274.64, 19,911.48 and 4,509.63 is: 6,764.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.64 : 19,911.48 = 4,509.63 : x
  2. Step 2: Convert to fraction form
    13,274.64/19,911.48 = 4,509.63/x
  3. Step 3: Cross multiply
    13,274.64x = 19,911.48 × 4,509.63
  4. Step 4: Simplify right side
    13,274.64x = 89,793,407.55
  5. Step 5: Solve for x
    x = 89,793,407.55/13,274.64
  6. Step 6: Final answer
    x = 6,764.28

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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.