Home / 14,495.51-19,999.27-8,121.24

Finding the Fourth Proportional to 14,495.51, 19,999.27 and 8,121.24

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Solution

The fourth proportional to 14,495.51, 19,999.27 and 8,121.24 is: 11,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.51 : 19,999.27 = 8,121.24 : x
  2. Step 2: Convert to fraction form
    14,495.51/19,999.27 = 8,121.24/x
  3. Step 3: Cross multiply
    14,495.51x = 19,999.27 × 8,121.24
  4. Step 4: Simplify right side
    14,495.51x = 162,418,871.49
  5. Step 5: Solve for x
    x = 162,418,871.49/14,495.51
  6. Step 6: Final answer
    x = 11,204.77

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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.