Home / 12,364.85-18,545.45-4,045.74

Finding the Fourth Proportional to 12,364.85, 18,545.45 and 4,045.74

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Solution

The fourth proportional to 12,364.85, 18,545.45 and 4,045.74 is: 6,068.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364.85 : 18,545.45 = 4,045.74 : x
  2. Step 2: Convert to fraction form
    12,364.85/18,545.45 = 4,045.74/x
  3. Step 3: Cross multiply
    12,364.85x = 18,545.45 × 4,045.74
  4. Step 4: Simplify right side
    12,364.85x = 75,030,048.65
  5. Step 5: Solve for x
    x = 75,030,048.65/12,364.85
  6. Step 6: Final answer
    x = 6,068.01

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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.