Home / 13,043.04-19,566.20-4,278.84

Finding the Fourth Proportional to 13,043.04, 19,566.20 and 4,278.84

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Solution

The fourth proportional to 13,043.04, 19,566.20 and 4,278.84 is: 6,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.04 : 19,566.20 = 4,278.84 : x
  2. Step 2: Convert to fraction form
    13,043.04/19,566.20 = 4,278.84/x
  3. Step 3: Cross multiply
    13,043.04x = 19,566.20 × 4,278.84
  4. Step 4: Simplify right side
    13,043.04x = 83,720,639.21
  5. Step 5: Solve for x
    x = 83,720,639.21/13,043.04
  6. Step 6: Final answer
    x = 6,418.80

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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.