Home / 15,547.77-21,468.58-12,676.97

Finding the Fourth Proportional to 15,547.77, 21,468.58 and 12,676.97

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Solution

The fourth proportional to 15,547.77, 21,468.58 and 12,676.97 is: 17,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.77 : 21,468.58 = 12,676.97 : x
  2. Step 2: Convert to fraction form
    15,547.77/21,468.58 = 12,676.97/x
  3. Step 3: Cross multiply
    15,547.77x = 21,468.58 × 12,676.97
  4. Step 4: Simplify right side
    15,547.77x = 272,156,566.58
  5. Step 5: Solve for x
    x = 272,156,566.58/15,547.77
  6. Step 6: Final answer
    x = 17,504.54

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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.