Home / 21,523.86-29,703.51-12,093.30

Finding the Fourth Proportional to 21,523.86, 29,703.51 and 12,093.30

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Solution

The fourth proportional to 21,523.86, 29,703.51 and 12,093.30 is: 16,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.86 : 29,703.51 = 12,093.30 : x
  2. Step 2: Convert to fraction form
    21,523.86/29,703.51 = 12,093.30/x
  3. Step 3: Cross multiply
    21,523.86x = 29,703.51 × 12,093.30
  4. Step 4: Simplify right side
    21,523.86x = 359,213,457.48
  5. Step 5: Solve for x
    x = 359,213,457.48/21,523.86
  6. Step 6: Final answer
    x = 16,689.08

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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.