Home / 12,364.79-18,547.31-4,467.89

Finding the Fourth Proportional to 12,364.79, 18,547.31 and 4,467.89

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Solution

The fourth proportional to 12,364.79, 18,547.31 and 4,467.89 is: 6,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364.79 : 18,547.31 = 4,467.89 : x
  2. Step 2: Convert to fraction form
    12,364.79/18,547.31 = 4,467.89/x
  3. Step 3: Cross multiply
    12,364.79x = 18,547.31 × 4,467.89
  4. Step 4: Simplify right side
    12,364.79x = 82,867,398.41
  5. Step 5: Solve for x
    x = 82,867,398.41/12,364.79
  6. Step 6: Final answer
    x = 6,701.89

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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.