Home / 22,683.51-34,007.09-8,640.72

Finding the Fourth Proportional to 22,683.51, 34,007.09 and 8,640.72

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Solution

The fourth proportional to 22,683.51, 34,007.09 and 8,640.72 is: 12,954.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,683.51 : 34,007.09 = 8,640.72 : x
  2. Step 2: Convert to fraction form
    22,683.51/34,007.09 = 8,640.72/x
  3. Step 3: Cross multiply
    22,683.51x = 34,007.09 × 8,640.72
  4. Step 4: Simplify right side
    22,683.51x = 293,845,699.50
  5. Step 5: Solve for x
    x = 293,845,699.50/22,683.51
  6. Step 6: Final answer
    x = 12,954.15

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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.