Home / 12,248.90-18,376.23-3,483.89

Finding the Fourth Proportional to 12,248.90, 18,376.23 and 3,483.89

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Solution

The fourth proportional to 12,248.90, 18,376.23 and 3,483.89 is: 5,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.90 : 18,376.23 = 3,483.89 : x
  2. Step 2: Convert to fraction form
    12,248.90/18,376.23 = 3,483.89/x
  3. Step 3: Cross multiply
    12,248.90x = 18,376.23 × 3,483.89
  4. Step 4: Simplify right side
    12,248.90x = 64,020,763.93
  5. Step 5: Solve for x
    x = 64,020,763.93/12,248.90
  6. Step 6: Final answer
    x = 5,226.65

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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.