Home / 21,073.44-31,600.80-11,210.64

Finding the Fourth Proportional to 21,073.44, 31,600.80 and 11,210.64

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Solution

The fourth proportional to 21,073.44, 31,600.80 and 11,210.64 is: 16,810.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,073.44 : 31,600.80 = 11,210.64 : x
  2. Step 2: Convert to fraction form
    21,073.44/31,600.80 = 11,210.64/x
  3. Step 3: Cross multiply
    21,073.44x = 31,600.80 × 11,210.64
  4. Step 4: Simplify right side
    21,073.44x = 354,265,192.51
  5. Step 5: Solve for x
    x = 354,265,192.51/21,073.44
  6. Step 6: Final answer
    x = 16,810.98

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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.