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Finding the Fourth Proportional to 12,477.54, 17,219.07 and 6,888.54

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Solution

The fourth proportional to 12,477.54, 17,219.07 and 6,888.54 is: 9,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477.54 : 17,219.07 = 6,888.54 : x
  2. Step 2: Convert to fraction form
    12,477.54/17,219.07 = 6,888.54/x
  3. Step 3: Cross multiply
    12,477.54x = 17,219.07 × 6,888.54
  4. Step 4: Simplify right side
    12,477.54x = 118,614,252.46
  5. Step 5: Solve for x
    x = 118,614,252.46/12,477.54
  6. Step 6: Final answer
    x = 9,506.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.