Home / 12,880.66-19,317.43-4,559.58

Finding the Fourth Proportional to 12,880.66, 19,317.43 and 4,559.58

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Solution

The fourth proportional to 12,880.66, 19,317.43 and 4,559.58 is: 6,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880.66 : 19,317.43 = 4,559.58 : x
  2. Step 2: Convert to fraction form
    12,880.66/19,317.43 = 4,559.58/x
  3. Step 3: Cross multiply
    12,880.66x = 19,317.43 × 4,559.58
  4. Step 4: Simplify right side
    12,880.66x = 88,079,417.12
  5. Step 5: Solve for x
    x = 88,079,417.12/12,880.66
  6. Step 6: Final answer
    x = 6,838.11

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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.