Home / 19,518.28-29,281.92-6,370.54

Finding the Fourth Proportional to 19,518.28, 29,281.92 and 6,370.54

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Solution

The fourth proportional to 19,518.28, 29,281.92 and 6,370.54 is: 9,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.28 : 29,281.92 = 6,370.54 : x
  2. Step 2: Convert to fraction form
    19,518.28/29,281.92 = 6,370.54/x
  3. Step 3: Cross multiply
    19,518.28x = 29,281.92 × 6,370.54
  4. Step 4: Simplify right side
    19,518.28x = 186,541,642.64
  5. Step 5: Solve for x
    x = 186,541,642.64/19,518.28
  6. Step 6: Final answer
    x = 9,557.28

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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.