Home / 15,555.19-21,466.74-8,841.94

Finding the Fourth Proportional to 15,555.19, 21,466.74 and 8,841.94

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Solution

The fourth proportional to 15,555.19, 21,466.74 and 8,841.94 is: 12,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.19 : 21,466.74 = 8,841.94 : x
  2. Step 2: Convert to fraction form
    15,555.19/21,466.74 = 8,841.94/x
  3. Step 3: Cross multiply
    15,555.19x = 21,466.74 × 8,841.94
  4. Step 4: Simplify right side
    15,555.19x = 189,807,627.08
  5. Step 5: Solve for x
    x = 189,807,627.08/15,555.19
  6. Step 6: Final answer
    x = 12,202.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.