Home / 12,670.19-17,484.31-6,927.54

Finding the Fourth Proportional to 12,670.19, 17,484.31 and 6,927.54

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Solution

The fourth proportional to 12,670.19, 17,484.31 and 6,927.54 is: 9,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.19 : 17,484.31 = 6,927.54 : x
  2. Step 2: Convert to fraction form
    12,670.19/17,484.31 = 6,927.54/x
  3. Step 3: Cross multiply
    12,670.19x = 17,484.31 × 6,927.54
  4. Step 4: Simplify right side
    12,670.19x = 121,123,180.51
  5. Step 5: Solve for x
    x = 121,123,180.51/12,670.19
  6. Step 6: Final answer
    x = 9,559.70

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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.