Home / 12,317.74-16,999.83-7,011.70

Finding the Fourth Proportional to 12,317.74, 16,999.83 and 7,011.70

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Solution

The fourth proportional to 12,317.74, 16,999.83 and 7,011.70 is: 9,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.74 : 16,999.83 = 7,011.70 : x
  2. Step 2: Convert to fraction form
    12,317.74/16,999.83 = 7,011.70/x
  3. Step 3: Cross multiply
    12,317.74x = 16,999.83 × 7,011.70
  4. Step 4: Simplify right side
    12,317.74x = 119,197,587.95
  5. Step 5: Solve for x
    x = 119,197,587.95/12,317.74
  6. Step 6: Final answer
    x = 9,676.91

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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.