Home / 17,780.72-26,676.84-8,547.44

Finding the Fourth Proportional to 17,780.72, 26,676.84 and 8,547.44

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Solution

The fourth proportional to 17,780.72, 26,676.84 and 8,547.44 is: 12,823.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,780.72 : 26,676.84 = 8,547.44 : x
  2. Step 2: Convert to fraction form
    17,780.72/26,676.84 = 8,547.44/x
  3. Step 3: Cross multiply
    17,780.72x = 26,676.84 × 8,547.44
  4. Step 4: Simplify right side
    17,780.72x = 228,018,689.29
  5. Step 5: Solve for x
    x = 228,018,689.29/17,780.72
  6. Step 6: Final answer
    x = 12,823.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.