Home / 12,684.48-19,032.36-6,834.28

Finding the Fourth Proportional to 12,684.48, 19,032.36 and 6,834.28

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Solution

The fourth proportional to 12,684.48, 19,032.36 and 6,834.28 is: 10,254.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684.48 : 19,032.36 = 6,834.28 : x
  2. Step 2: Convert to fraction form
    12,684.48/19,032.36 = 6,834.28/x
  3. Step 3: Cross multiply
    12,684.48x = 19,032.36 × 6,834.28
  4. Step 4: Simplify right side
    12,684.48x = 130,072,477.30
  5. Step 5: Solve for x
    x = 130,072,477.30/12,684.48
  6. Step 6: Final answer
    x = 10,254.46

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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.