Home / 10,116.43-13,955.71-6,760.07

Finding the Fourth Proportional to 10,116.43, 13,955.71 and 6,760.07

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Solution

The fourth proportional to 10,116.43, 13,955.71 and 6,760.07 is: 9,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.43 : 13,955.71 = 6,760.07 : x
  2. Step 2: Convert to fraction form
    10,116.43/13,955.71 = 6,760.07/x
  3. Step 3: Cross multiply
    10,116.43x = 13,955.71 × 6,760.07
  4. Step 4: Simplify right side
    10,116.43x = 94,341,567.51
  5. Step 5: Solve for x
    x = 94,341,567.51/10,116.43
  6. Step 6: Final answer
    x = 9,325.58

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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.