Home / 19,580.85-29,376.36-8,484.98

Finding the Fourth Proportional to 19,580.85, 29,376.36 and 8,484.98

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Solution

The fourth proportional to 19,580.85, 29,376.36 and 8,484.98 is: 12,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.85 : 29,376.36 = 8,484.98 : x
  2. Step 2: Convert to fraction form
    19,580.85/29,376.36 = 8,484.98/x
  3. Step 3: Cross multiply
    19,580.85x = 29,376.36 × 8,484.98
  4. Step 4: Simplify right side
    19,580.85x = 249,257,680.19
  5. Step 5: Solve for x
    x = 249,257,680.19/19,580.85
  6. Step 6: Final answer
    x = 12,729.67

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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.