Home / 21,683.24-29,927.87-14,116.39

Finding the Fourth Proportional to 21,683.24, 29,927.87 and 14,116.39

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Solution

The fourth proportional to 21,683.24, 29,927.87 and 14,116.39 is: 19,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,683.24 : 29,927.87 = 14,116.39 : x
  2. Step 2: Convert to fraction form
    21,683.24/29,927.87 = 14,116.39/x
  3. Step 3: Cross multiply
    21,683.24x = 29,927.87 × 14,116.39
  4. Step 4: Simplify right side
    21,683.24x = 422,473,484.79
  5. Step 5: Solve for x
    x = 422,473,484.79/21,683.24
  6. Step 6: Final answer
    x = 19,483.87

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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.