Home / 10,206.78-15,303.96-4,583.40

Finding the Fourth Proportional to 10,206.78, 15,303.96 and 4,583.40

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Solution

The fourth proportional to 10,206.78, 15,303.96 and 4,583.40 is: 6,872.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.78 : 15,303.96 = 4,583.40 : x
  2. Step 2: Convert to fraction form
    10,206.78/15,303.96 = 4,583.40/x
  3. Step 3: Cross multiply
    10,206.78x = 15,303.96 × 4,583.40
  4. Step 4: Simplify right side
    10,206.78x = 70,144,170.26
  5. Step 5: Solve for x
    x = 70,144,170.26/10,206.78
  6. Step 6: Final answer
    x = 6,872.31

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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.