Home / 10,204.83-15,307.23-2,810.07

Finding the Fourth Proportional to 10,204.83, 15,307.23 and 2,810.07

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Solution

The fourth proportional to 10,204.83, 15,307.23 and 2,810.07 is: 4,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.83 : 15,307.23 = 2,810.07 : x
  2. Step 2: Convert to fraction form
    10,204.83/15,307.23 = 2,810.07/x
  3. Step 3: Cross multiply
    10,204.83x = 15,307.23 × 2,810.07
  4. Step 4: Simplify right side
    10,204.83x = 43,014,387.81
  5. Step 5: Solve for x
    x = 43,014,387.81/10,204.83
  6. Step 6: Final answer
    x = 4,215.10

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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.