Home / 14,569.47-21,795.35-12,109.23

Finding the Fourth Proportional to 14,569.47, 21,795.35 and 12,109.23

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Solution

The fourth proportional to 14,569.47, 21,795.35 and 12,109.23 is: 18,114.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569.47 : 21,795.35 = 12,109.23 : x
  2. Step 2: Convert to fraction form
    14,569.47/21,795.35 = 12,109.23/x
  3. Step 3: Cross multiply
    14,569.47x = 21,795.35 × 12,109.23
  4. Step 4: Simplify right side
    14,569.47x = 263,924,845.53
  5. Step 5: Solve for x
    x = 263,924,845.53/14,569.47
  6. Step 6: Final answer
    x = 18,114.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.