Home / 21,045.09-29,043.77-12,094.77

Finding the Fourth Proportional to 21,045.09, 29,043.77 and 12,094.77

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Solution

The fourth proportional to 21,045.09, 29,043.77 and 12,094.77 is: 16,691.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.09 : 29,043.77 = 12,094.77 : x
  2. Step 2: Convert to fraction form
    21,045.09/29,043.77 = 12,094.77/x
  3. Step 3: Cross multiply
    21,045.09x = 29,043.77 × 12,094.77
  4. Step 4: Simplify right side
    21,045.09x = 351,277,657.61
  5. Step 5: Solve for x
    x = 351,277,657.61/21,045.09
  6. Step 6: Final answer
    x = 16,691.67

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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.