Home / 20,014.77-29,980.63-11,669.47

Finding the Fourth Proportional to 20,014.77, 29,980.63 and 11,669.47

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Solution

The fourth proportional to 20,014.77, 29,980.63 and 11,669.47 is: 17,480.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.77 : 29,980.63 = 11,669.47 : x
  2. Step 2: Convert to fraction form
    20,014.77/29,980.63 = 11,669.47/x
  3. Step 3: Cross multiply
    20,014.77x = 29,980.63 × 11,669.47
  4. Step 4: Simplify right side
    20,014.77x = 349,858,062.37
  5. Step 5: Solve for x
    x = 349,858,062.37/20,014.77
  6. Step 6: Final answer
    x = 17,480.00

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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.