Home / 13,002.90-19,466.06-8,056.64

Finding the Fourth Proportional to 13,002.90, 19,466.06 and 8,056.64

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Solution

The fourth proportional to 13,002.90, 19,466.06 and 8,056.64 is: 12,061.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002.90 : 19,466.06 = 8,056.64 : x
  2. Step 2: Convert to fraction form
    13,002.90/19,466.06 = 8,056.64/x
  3. Step 3: Cross multiply
    13,002.90x = 19,466.06 × 8,056.64
  4. Step 4: Simplify right side
    13,002.90x = 156,830,900.02
  5. Step 5: Solve for x
    x = 156,830,900.02/13,002.90
  6. Step 6: Final answer
    x = 12,061.22

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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.