Home / 10,015.26-15,009.93-4,818.30

Finding the Fourth Proportional to 10,015.26, 15,009.93 and 4,818.30

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Solution

The fourth proportional to 10,015.26, 15,009.93 and 4,818.30 is: 7,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.26 : 15,009.93 = 4,818.30 : x
  2. Step 2: Convert to fraction form
    10,015.26/15,009.93 = 4,818.30/x
  3. Step 3: Cross multiply
    10,015.26x = 15,009.93 × 4,818.30
  4. Step 4: Simplify right side
    10,015.26x = 72,322,345.72
  5. Step 5: Solve for x
    x = 72,322,345.72/10,015.26
  6. Step 6: Final answer
    x = 7,221.21

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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.