Home / 13,355.48-18,410.87-9,812.54

Finding the Fourth Proportional to 13,355.48, 18,410.87 and 9,812.54

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Solution

The fourth proportional to 13,355.48, 18,410.87 and 9,812.54 is: 13,526.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.48 : 18,410.87 = 9,812.54 : x
  2. Step 2: Convert to fraction form
    13,355.48/18,410.87 = 9,812.54/x
  3. Step 3: Cross multiply
    13,355.48x = 18,410.87 × 9,812.54
  4. Step 4: Simplify right side
    13,355.48x = 180,657,257.19
  5. Step 5: Solve for x
    x = 180,657,257.19/13,355.48
  6. Step 6: Final answer
    x = 13,526.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.