Home / 9,519.10-14,278.56-2,943.70

Finding the Fourth Proportional to 9,519.10, 14,278.56 and 2,943.70

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Solution

The fourth proportional to 9,519.10, 14,278.56 and 2,943.70 is: 4,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.10 : 14,278.56 = 2,943.70 : x
  2. Step 2: Convert to fraction form
    9,519.10/14,278.56 = 2,943.70/x
  3. Step 3: Cross multiply
    9,519.10x = 14,278.56 × 2,943.70
  4. Step 4: Simplify right side
    9,519.10x = 42,031,797.07
  5. Step 5: Solve for x
    x = 42,031,797.07/9,519.10
  6. Step 6: Final answer
    x = 4,415.52

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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.