Home / 13,345.24-20,017.88-5,554.12

Finding the Fourth Proportional to 13,345.24, 20,017.88 and 5,554.12

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Solution

The fourth proportional to 13,345.24, 20,017.88 and 5,554.12 is: 8,331.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.24 : 20,017.88 = 5,554.12 : x
  2. Step 2: Convert to fraction form
    13,345.24/20,017.88 = 5,554.12/x
  3. Step 3: Cross multiply
    13,345.24x = 20,017.88 × 5,554.12
  4. Step 4: Simplify right side
    13,345.24x = 111,181,707.67
  5. Step 5: Solve for x
    x = 111,181,707.67/13,345.24
  6. Step 6: Final answer
    x = 8,331.19

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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.