Home / 14,009.79-21,010.10-10,893.32

Finding the Fourth Proportional to 14,009.79, 21,010.10 and 10,893.32

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Solution

The fourth proportional to 14,009.79, 21,010.10 and 10,893.32 is: 16,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.79 : 21,010.10 = 10,893.32 : x
  2. Step 2: Convert to fraction form
    14,009.79/21,010.10 = 10,893.32/x
  3. Step 3: Cross multiply
    14,009.79x = 21,010.10 × 10,893.32
  4. Step 4: Simplify right side
    14,009.79x = 228,869,583.01
  5. Step 5: Solve for x
    x = 228,869,583.01/14,009.79
  6. Step 6: Final answer
    x = 16,336.40

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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.