Home / 21,041.19-29,037.96-12,089.27

Finding the Fourth Proportional to 21,041.19, 29,037.96 and 12,089.27

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Solution

The fourth proportional to 21,041.19, 29,037.96 and 12,089.27 is: 16,683.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041.19 : 29,037.96 = 12,089.27 : x
  2. Step 2: Convert to fraction form
    21,041.19/29,037.96 = 12,089.27/x
  3. Step 3: Cross multiply
    21,041.19x = 29,037.96 × 12,089.27
  4. Step 4: Simplify right side
    21,041.19x = 351,047,811.28
  5. Step 5: Solve for x
    x = 351,047,811.28/21,041.19
  6. Step 6: Final answer
    x = 16,683.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.