Home / 10,009.37-15,013.44-2,989.41

Finding the Fourth Proportional to 10,009.37, 15,013.44 and 2,989.41

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Solution

The fourth proportional to 10,009.37, 15,013.44 and 2,989.41 is: 4,483.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.37 : 15,013.44 = 2,989.41 : x
  2. Step 2: Convert to fraction form
    10,009.37/15,013.44 = 2,989.41/x
  3. Step 3: Cross multiply
    10,009.37x = 15,013.44 × 2,989.41
  4. Step 4: Simplify right side
    10,009.37x = 44,881,327.67
  5. Step 5: Solve for x
    x = 44,881,327.67/10,009.37
  6. Step 6: Final answer
    x = 4,483.93

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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.