Home / 14,664.93-21,985.04-9,971.79

Finding the Fourth Proportional to 14,664.93, 21,985.04 and 9,971.79

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Solution

The fourth proportional to 14,664.93, 21,985.04 and 9,971.79 is: 14,949.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.93 : 21,985.04 = 9,971.79 : x
  2. Step 2: Convert to fraction form
    14,664.93/21,985.04 = 9,971.79/x
  3. Step 3: Cross multiply
    14,664.93x = 21,985.04 × 9,971.79
  4. Step 4: Simplify right side
    14,664.93x = 219,230,152.16
  5. Step 5: Solve for x
    x = 219,230,152.16/14,664.93
  6. Step 6: Final answer
    x = 14,949.28

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1.5x scale

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.