Home / 13,580.02-20,363.91-4,812.94

Finding the Fourth Proportional to 13,580.02, 20,363.91 and 4,812.94

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Solution

The fourth proportional to 13,580.02, 20,363.91 and 4,812.94 is: 7,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580.02 : 20,363.91 = 4,812.94 : x
  2. Step 2: Convert to fraction form
    13,580.02/20,363.91 = 4,812.94/x
  3. Step 3: Cross multiply
    13,580.02x = 20,363.91 × 4,812.94
  4. Step 4: Simplify right side
    13,580.02x = 98,010,277.00
  5. Step 5: Solve for x
    x = 98,010,277.00/13,580.02
  6. Step 6: Final answer
    x = 7,217.24

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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.