Home / 10,079.36-13,911.36-7,867.52

Finding the Fourth Proportional to 10,079.36, 13,911.36 and 7,867.52

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Solution

The fourth proportional to 10,079.36, 13,911.36 and 7,867.52 is: 10,858.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.36 : 13,911.36 = 7,867.52 : x
  2. Step 2: Convert to fraction form
    10,079.36/13,911.36 = 7,867.52/x
  3. Step 3: Cross multiply
    10,079.36x = 13,911.36 × 7,867.52
  4. Step 4: Simplify right side
    10,079.36x = 109,447,903.03
  5. Step 5: Solve for x
    x = 109,447,903.03/10,079.36
  6. Step 6: Final answer
    x = 10,858.62

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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.