Home / 12,866.37-19,303.20-6,630.93

Finding the Fourth Proportional to 12,866.37, 19,303.20 and 6,630.93

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Solution

The fourth proportional to 12,866.37, 19,303.20 and 6,630.93 is: 9,948.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866.37 : 19,303.20 = 6,630.93 : x
  2. Step 2: Convert to fraction form
    12,866.37/19,303.20 = 6,630.93/x
  3. Step 3: Cross multiply
    12,866.37x = 19,303.20 × 6,630.93
  4. Step 4: Simplify right side
    12,866.37x = 127,998,167.98
  5. Step 5: Solve for x
    x = 127,998,167.98/12,866.37
  6. Step 6: Final answer
    x = 9,948.27

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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.