Home / 14,135.04-21,202.88-4,274.28

Finding the Fourth Proportional to 14,135.04, 21,202.88 and 4,274.28

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Solution

The fourth proportional to 14,135.04, 21,202.88 and 4,274.28 is: 6,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.04 : 21,202.88 = 4,274.28 : x
  2. Step 2: Convert to fraction form
    14,135.04/21,202.88 = 4,274.28/x
  3. Step 3: Cross multiply
    14,135.04x = 21,202.88 × 4,274.28
  4. Step 4: Simplify right side
    14,135.04x = 90,627,045.93
  5. Step 5: Solve for x
    x = 90,627,045.93/14,135.04
  6. Step 6: Final answer
    x = 6,411.52

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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.