Home / 15,676.04-21,540.92-12,526.76

Finding the Fourth Proportional to 15,676.04, 21,540.92 and 12,526.76

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Solution

The fourth proportional to 15,676.04, 21,540.92 and 12,526.76 is: 17,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676.04 : 21,540.92 = 12,526.76 : x
  2. Step 2: Convert to fraction form
    15,676.04/21,540.92 = 12,526.76/x
  3. Step 3: Cross multiply
    15,676.04x = 21,540.92 × 12,526.76
  4. Step 4: Simplify right side
    15,676.04x = 269,837,935.02
  5. Step 5: Solve for x
    x = 269,837,935.02/15,676.04
  6. Step 6: Final answer
    x = 17,213.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.