Home / 13,054.37-19,580.03-4,287.13

Finding the Fourth Proportional to 13,054.37, 19,580.03 and 4,287.13

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Solution

The fourth proportional to 13,054.37, 19,580.03 and 4,287.13 is: 6,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.37 : 19,580.03 = 4,287.13 : x
  2. Step 2: Convert to fraction form
    13,054.37/19,580.03 = 4,287.13/x
  3. Step 3: Cross multiply
    13,054.37x = 19,580.03 × 4,287.13
  4. Step 4: Simplify right side
    13,054.37x = 83,942,014.68
  5. Step 5: Solve for x
    x = 83,942,014.68/13,054.37
  6. Step 6: Final answer
    x = 6,430.19

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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.