Home / 12,317.32-16,996.80-7,603.12

Finding the Fourth Proportional to 12,317.32, 16,996.80 and 7,603.12

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Solution

The fourth proportional to 12,317.32, 16,996.80 and 7,603.12 is: 10,491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.32 : 16,996.80 = 7,603.12 : x
  2. Step 2: Convert to fraction form
    12,317.32/16,996.80 = 7,603.12/x
  3. Step 3: Cross multiply
    12,317.32x = 16,996.80 × 7,603.12
  4. Step 4: Simplify right side
    12,317.32x = 129,228,710.02
  5. Step 5: Solve for x
    x = 129,228,710.02/12,317.32
  6. Step 6: Final answer
    x = 10,491.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.