Home / 10,205.74-15,308.60-2,810.24

Finding the Fourth Proportional to 10,205.74, 15,308.60 and 2,810.24

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Solution

The fourth proportional to 10,205.74, 15,308.60 and 2,810.24 is: 4,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.74 : 15,308.60 = 2,810.24 : x
  2. Step 2: Convert to fraction form
    10,205.74/15,308.60 = 2,810.24/x
  3. Step 3: Cross multiply
    10,205.74x = 15,308.60 × 2,810.24
  4. Step 4: Simplify right side
    10,205.74x = 43,020,840.06
  5. Step 5: Solve for x
    x = 43,020,840.06/10,205.74
  6. Step 6: Final answer
    x = 4,215.36

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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.