Home / 9,988.03-14,983.26-3,415.69

Finding the Fourth Proportional to 9,988.03, 14,983.26 and 3,415.69

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Solution

The fourth proportional to 9,988.03, 14,983.26 and 3,415.69 is: 5,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.03 : 14,983.26 = 3,415.69 : x
  2. Step 2: Convert to fraction form
    9,988.03/14,983.26 = 3,415.69/x
  3. Step 3: Cross multiply
    9,988.03x = 14,983.26 × 3,415.69
  4. Step 4: Simplify right side
    9,988.03x = 51,178,171.35
  5. Step 5: Solve for x
    x = 51,178,171.35/9,988.03
  6. Step 6: Final answer
    x = 5,123.95

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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.