Home / 10,670.56-14,721.26-6,684.74

Finding the Fourth Proportional to 10,670.56, 14,721.26 and 6,684.74

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Solution

The fourth proportional to 10,670.56, 14,721.26 and 6,684.74 is: 9,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.56 : 14,721.26 = 6,684.74 : x
  2. Step 2: Convert to fraction form
    10,670.56/14,721.26 = 6,684.74/x
  3. Step 3: Cross multiply
    10,670.56x = 14,721.26 × 6,684.74
  4. Step 4: Simplify right side
    10,670.56x = 98,407,795.57
  5. Step 5: Solve for x
    x = 98,407,795.57/10,670.56
  6. Step 6: Final answer
    x = 9,222.36

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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.