Home / 9,947.81-14,922.63-4,753.69

Finding the Fourth Proportional to 9,947.81, 14,922.63 and 4,753.69

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Solution

The fourth proportional to 9,947.81, 14,922.63 and 4,753.69 is: 7,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.81 : 14,922.63 = 4,753.69 : x
  2. Step 2: Convert to fraction form
    9,947.81/14,922.63 = 4,753.69/x
  3. Step 3: Cross multiply
    9,947.81x = 14,922.63 × 4,753.69
  4. Step 4: Simplify right side
    9,947.81x = 70,937,519.70
  5. Step 5: Solve for x
    x = 70,937,519.70/9,947.81
  6. Step 6: Final answer
    x = 7,130.97

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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.