Home / 19,317.28-28,980.80-5,466.32

Finding the Fourth Proportional to 19,317.28, 28,980.80 and 5,466.32

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Solution

The fourth proportional to 19,317.28, 28,980.80 and 5,466.32 is: 8,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.28 : 28,980.80 = 5,466.32 : x
  2. Step 2: Convert to fraction form
    19,317.28/28,980.80 = 5,466.32/x
  3. Step 3: Cross multiply
    19,317.28x = 28,980.80 × 5,466.32
  4. Step 4: Simplify right side
    19,317.28x = 158,418,326.66
  5. Step 5: Solve for x
    x = 158,418,326.66/19,317.28
  6. Step 6: Final answer
    x = 8,200.86

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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.