Home / 13,124.16-19,693.44-5,330.88

Finding the Fourth Proportional to 13,124.16, 19,693.44 and 5,330.88

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Solution

The fourth proportional to 13,124.16, 19,693.44 and 5,330.88 is: 7,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.16 : 19,693.44 = 5,330.88 : x
  2. Step 2: Convert to fraction form
    13,124.16/19,693.44 = 5,330.88/x
  3. Step 3: Cross multiply
    13,124.16x = 19,693.44 × 5,330.88
  4. Step 4: Simplify right side
    13,124.16x = 104,983,365.43
  5. Step 5: Solve for x
    x = 104,983,365.43/13,124.16
  6. Step 6: Final answer
    x = 7,999.24

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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.