Home / 8,688.51-13,032.90-2,114.82

Finding the Fourth Proportional to 8,688.51, 13,032.90 and 2,114.82

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Solution

The fourth proportional to 8,688.51, 13,032.90 and 2,114.82 is: 3,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.51 : 13,032.90 = 2,114.82 : x
  2. Step 2: Convert to fraction form
    8,688.51/13,032.90 = 2,114.82/x
  3. Step 3: Cross multiply
    8,688.51x = 13,032.90 × 2,114.82
  4. Step 4: Simplify right side
    8,688.51x = 27,562,237.58
  5. Step 5: Solve for x
    x = 27,562,237.58/8,688.51
  6. Step 6: Final answer
    x = 3,172.26

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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.