Home / 12,370.78-17,071.53-6,705.54

Finding the Fourth Proportional to 12,370.78, 17,071.53 and 6,705.54

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Solution

The fourth proportional to 12,370.78, 17,071.53 and 6,705.54 is: 9,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.78 : 17,071.53 = 6,705.54 : x
  2. Step 2: Convert to fraction form
    12,370.78/17,071.53 = 6,705.54/x
  3. Step 3: Cross multiply
    12,370.78x = 17,071.53 × 6,705.54
  4. Step 4: Simplify right side
    12,370.78x = 114,473,802.13
  5. Step 5: Solve for x
    x = 114,473,802.13/12,370.78
  6. Step 6: Final answer
    x = 9,253.56

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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.