Home / 13,584.16-20,368.56-8,038.24

Finding the Fourth Proportional to 13,584.16, 20,368.56 and 8,038.24

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Solution

The fourth proportional to 13,584.16, 20,368.56 and 8,038.24 is: 12,052.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.16 : 20,368.56 = 8,038.24 : x
  2. Step 2: Convert to fraction form
    13,584.16/20,368.56 = 8,038.24/x
  3. Step 3: Cross multiply
    13,584.16x = 20,368.56 × 8,038.24
  4. Step 4: Simplify right side
    13,584.16x = 163,727,373.73
  5. Step 5: Solve for x
    x = 163,727,373.73/13,584.16
  6. Step 6: Final answer
    x = 12,052.82

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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.