Home / 10,085.45-13,918.53-6,106.93

Finding the Fourth Proportional to 10,085.45, 13,918.53 and 6,106.93

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Solution

The fourth proportional to 10,085.45, 13,918.53 and 6,106.93 is: 8,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.45 : 13,918.53 = 6,106.93 : x
  2. Step 2: Convert to fraction form
    10,085.45/13,918.53 = 6,106.93/x
  3. Step 3: Cross multiply
    10,085.45x = 13,918.53 × 6,106.93
  4. Step 4: Simplify right side
    10,085.45x = 84,999,476.52
  5. Step 5: Solve for x
    x = 84,999,476.52/10,085.45
  6. Step 6: Final answer
    x = 8,427.94

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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.