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Finding the Fourth Proportional to 12,465.58, 17,204.40 and 7,751.38

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Solution

The fourth proportional to 12,465.58, 17,204.40 and 7,751.38 is: 10,698.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.58 : 17,204.40 = 7,751.38 : x
  2. Step 2: Convert to fraction form
    12,465.58/17,204.40 = 7,751.38/x
  3. Step 3: Cross multiply
    12,465.58x = 17,204.40 × 7,751.38
  4. Step 4: Simplify right side
    12,465.58x = 133,357,842.07
  5. Step 5: Solve for x
    x = 133,357,842.07/12,465.58
  6. Step 6: Final answer
    x = 10,698.09

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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.