Home / 12,769.67-19,151.27-6,526.19

Finding the Fourth Proportional to 12,769.67, 19,151.27 and 6,526.19

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Solution

The fourth proportional to 12,769.67, 19,151.27 and 6,526.19 is: 9,787.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.67 : 19,151.27 = 6,526.19 : x
  2. Step 2: Convert to fraction form
    12,769.67/19,151.27 = 6,526.19/x
  3. Step 3: Cross multiply
    12,769.67x = 19,151.27 × 6,526.19
  4. Step 4: Simplify right side
    12,769.67x = 124,984,866.48
  5. Step 5: Solve for x
    x = 124,984,866.48/12,769.67
  6. Step 6: Final answer
    x = 9,787.63

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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.