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Finding the Fourth Proportional to 14,014.33, 19,339.93 and 7,726.93

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Solution

The fourth proportional to 14,014.33, 19,339.93 and 7,726.93 is: 10,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.33 : 19,339.93 = 7,726.93 : x
  2. Step 2: Convert to fraction form
    14,014.33/19,339.93 = 7,726.93/x
  3. Step 3: Cross multiply
    14,014.33x = 19,339.93 × 7,726.93
  4. Step 4: Simplify right side
    14,014.33x = 149,438,285.31
  5. Step 5: Solve for x
    x = 149,438,285.31/14,014.33
  6. Step 6: Final answer
    x = 10,663.25

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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.