Home / 10,830.36-14,945.64-6,114.26

Finding the Fourth Proportional to 10,830.36, 14,945.64 and 6,114.26

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Solution

The fourth proportional to 10,830.36, 14,945.64 and 6,114.26 is: 8,437.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.36 : 14,945.64 = 6,114.26 : x
  2. Step 2: Convert to fraction form
    10,830.36/14,945.64 = 6,114.26/x
  3. Step 3: Cross multiply
    10,830.36x = 14,945.64 × 6,114.26
  4. Step 4: Simplify right side
    10,830.36x = 91,381,528.83
  5. Step 5: Solve for x
    x = 91,381,528.83/10,830.36
  6. Step 6: Final answer
    x = 8,437.53

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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.