Home / 22,109.40-30,509.98-12,037.58

Finding the Fourth Proportional to 22,109.40, 30,509.98 and 12,037.58

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Solution

The fourth proportional to 22,109.40, 30,509.98 and 12,037.58 is: 16,611.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,109.40 : 30,509.98 = 12,037.58 : x
  2. Step 2: Convert to fraction form
    22,109.40/30,509.98 = 12,037.58/x
  3. Step 3: Cross multiply
    22,109.40x = 30,509.98 × 12,037.58
  4. Step 4: Simplify right side
    22,109.40x = 367,266,325.05
  5. Step 5: Solve for x
    x = 367,266,325.05/22,109.40
  6. Step 6: Final answer
    x = 16,611.32

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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.