Home / 12,707.73-19,063.01-4,386.80

Finding the Fourth Proportional to 12,707.73, 19,063.01 and 4,386.80

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Solution

The fourth proportional to 12,707.73, 19,063.01 and 4,386.80 is: 6,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,707.73 : 19,063.01 = 4,386.80 : x
  2. Step 2: Convert to fraction form
    12,707.73/19,063.01 = 4,386.80/x
  3. Step 3: Cross multiply
    12,707.73x = 19,063.01 × 4,386.80
  4. Step 4: Simplify right side
    12,707.73x = 83,625,670.89
  5. Step 5: Solve for x
    x = 83,625,670.89/12,707.73
  6. Step 6: Final answer
    x = 6,580.69

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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.