Home / 10,014.76-15,009.18-4,817.80

Finding the Fourth Proportional to 10,014.76, 15,009.18 and 4,817.80

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Solution

The fourth proportional to 10,014.76, 15,009.18 and 4,817.80 is: 7,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.76 : 15,009.18 = 4,817.80 : x
  2. Step 2: Convert to fraction form
    10,014.76/15,009.18 = 4,817.80/x
  3. Step 3: Cross multiply
    10,014.76x = 15,009.18 × 4,817.80
  4. Step 4: Simplify right side
    10,014.76x = 72,311,227.40
  5. Step 5: Solve for x
    x = 72,311,227.40/10,014.76
  6. Step 6: Final answer
    x = 7,220.47

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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.