Home / 13,274.69-19,912.02-5,483.70

Finding the Fourth Proportional to 13,274.69, 19,912.02 and 5,483.70

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Solution

The fourth proportional to 13,274.69, 19,912.02 and 5,483.70 is: 8,225.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.69 : 19,912.02 = 5,483.70 : x
  2. Step 2: Convert to fraction form
    13,274.69/19,912.02 = 5,483.70/x
  3. Step 3: Cross multiply
    13,274.69x = 19,912.02 × 5,483.70
  4. Step 4: Simplify right side
    13,274.69x = 109,191,569.78
  5. Step 5: Solve for x
    x = 109,191,569.78/13,274.69
  6. Step 6: Final answer
    x = 8,225.55

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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.