Home / 12,228.90-18,341.55-3,464.70

Finding the Fourth Proportional to 12,228.90, 18,341.55 and 3,464.70

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Solution

The fourth proportional to 12,228.90, 18,341.55 and 3,464.70 is: 5,196.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.90 : 18,341.55 = 3,464.70 : x
  2. Step 2: Convert to fraction form
    12,228.90/18,341.55 = 3,464.70/x
  3. Step 3: Cross multiply
    12,228.90x = 18,341.55 × 3,464.70
  4. Step 4: Simplify right side
    12,228.90x = 63,547,968.29
  5. Step 5: Solve for x
    x = 63,547,968.29/12,228.90
  6. Step 6: Final answer
    x = 5,196.54

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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.