Home / 13,545.90-20,325.24-4,784.94

Finding the Fourth Proportional to 13,545.90, 20,325.24 and 4,784.94

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Solution

The fourth proportional to 13,545.90, 20,325.24 and 4,784.94 is: 7,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.90 : 20,325.24 = 4,784.94 : x
  2. Step 2: Convert to fraction form
    13,545.90/20,325.24 = 4,784.94/x
  3. Step 3: Cross multiply
    13,545.90x = 20,325.24 × 4,784.94
  4. Step 4: Simplify right side
    13,545.90x = 97,255,053.89
  5. Step 5: Solve for x
    x = 97,255,053.89/13,545.90
  6. Step 6: Final answer
    x = 7,179.67

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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.