Home / 13,345.93-20,012.10-4,458.07

Finding the Fourth Proportional to 13,345.93, 20,012.10 and 4,458.07

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Solution

The fourth proportional to 13,345.93, 20,012.10 and 4,458.07 is: 6,684.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.93 : 20,012.10 = 4,458.07 : x
  2. Step 2: Convert to fraction form
    13,345.93/20,012.10 = 4,458.07/x
  3. Step 3: Cross multiply
    13,345.93x = 20,012.10 × 4,458.07
  4. Step 4: Simplify right side
    13,345.93x = 89,215,342.65
  5. Step 5: Solve for x
    x = 89,215,342.65/13,345.93
  6. Step 6: Final answer
    x = 6,684.84

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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.