Home / 10,342.47-14,272.47-6,308.37

Finding the Fourth Proportional to 10,342.47, 14,272.47 and 6,308.37

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Solution

The fourth proportional to 10,342.47, 14,272.47 and 6,308.37 is: 8,705.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.47 : 14,272.47 = 6,308.37 : x
  2. Step 2: Convert to fraction form
    10,342.47/14,272.47 = 6,308.37/x
  3. Step 3: Cross multiply
    10,342.47x = 14,272.47 × 6,308.37
  4. Step 4: Simplify right side
    10,342.47x = 90,036,021.57
  5. Step 5: Solve for x
    x = 90,036,021.57/10,342.47
  6. Step 6: Final answer
    x = 8,705.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.