Home / 13,345.08-19,999.80-5,549.64

Finding the Fourth Proportional to 13,345.08, 19,999.80 and 5,549.64

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Solution

The fourth proportional to 13,345.08, 19,999.80 and 5,549.64 is: 8,317.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.08 : 19,999.80 = 5,549.64 : x
  2. Step 2: Convert to fraction form
    13,345.08/19,999.80 = 5,549.64/x
  3. Step 3: Cross multiply
    13,345.08x = 19,999.80 × 5,549.64
  4. Step 4: Simplify right side
    13,345.08x = 110,991,690.07
  5. Step 5: Solve for x
    x = 110,991,690.07/13,345.08
  6. Step 6: Final answer
    x = 8,317.05

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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.