Home / 13,527.54-18,647.01-13,265.10

Finding the Fourth Proportional to 13,527.54, 18,647.01 and 13,265.10

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Solution

The fourth proportional to 13,527.54, 18,647.01 and 13,265.10 is: 18,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.54 : 18,647.01 = 13,265.10 : x
  2. Step 2: Convert to fraction form
    13,527.54/18,647.01 = 13,265.10/x
  3. Step 3: Cross multiply
    13,527.54x = 18,647.01 × 13,265.10
  4. Step 4: Simplify right side
    13,527.54x = 247,354,452.35
  5. Step 5: Solve for x
    x = 247,354,452.35/13,527.54
  6. Step 6: Final answer
    x = 18,285.25

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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.