Home / 21,041.33-29,037.04-12,089.67

Finding the Fourth Proportional to 21,041.33, 29,037.04 and 12,089.67

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Solution

The fourth proportional to 21,041.33, 29,037.04 and 12,089.67 is: 16,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041.33 : 29,037.04 = 12,089.67 : x
  2. Step 2: Convert to fraction form
    21,041.33/29,037.04 = 12,089.67/x
  3. Step 3: Cross multiply
    21,041.33x = 29,037.04 × 12,089.67
  4. Step 4: Simplify right side
    21,041.33x = 351,048,141.60
  5. Step 5: Solve for x
    x = 351,048,141.60/21,041.33
  6. Step 6: Final answer
    x = 16,683.74

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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.