Home / 12,368.50-18,555.02-4,048.98

Finding the Fourth Proportional to 12,368.50, 18,555.02 and 4,048.98

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Solution

The fourth proportional to 12,368.50, 18,555.02 and 4,048.98 is: 6,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.50 : 18,555.02 = 4,048.98 : x
  2. Step 2: Convert to fraction form
    12,368.50/18,555.02 = 4,048.98/x
  3. Step 3: Cross multiply
    12,368.50x = 18,555.02 × 4,048.98
  4. Step 4: Simplify right side
    12,368.50x = 75,128,838.25
  5. Step 5: Solve for x
    x = 75,128,838.25/12,368.50
  6. Step 6: Final answer
    x = 6,074.21

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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.