Home / 14,240.19-21,360.33-5,470.32

Finding the Fourth Proportional to 14,240.19, 21,360.33 and 5,470.32

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Solution

The fourth proportional to 14,240.19, 21,360.33 and 5,470.32 is: 8,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.19 : 21,360.33 = 5,470.32 : x
  2. Step 2: Convert to fraction form
    14,240.19/21,360.33 = 5,470.32/x
  3. Step 3: Cross multiply
    14,240.19x = 21,360.33 × 5,470.32
  4. Step 4: Simplify right side
    14,240.19x = 116,847,840.41
  5. Step 5: Solve for x
    x = 116,847,840.41/14,240.19
  6. Step 6: Final answer
    x = 8,205.50

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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.