Home / 10,896.58-15,037.14-6,420.52

Finding the Fourth Proportional to 10,896.58, 15,037.14 and 6,420.52

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Solution

The fourth proportional to 10,896.58, 15,037.14 and 6,420.52 is: 8,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.58 : 15,037.14 = 6,420.52 : x
  2. Step 2: Convert to fraction form
    10,896.58/15,037.14 = 6,420.52/x
  3. Step 3: Cross multiply
    10,896.58x = 15,037.14 × 6,420.52
  4. Step 4: Simplify right side
    10,896.58x = 96,546,258.11
  5. Step 5: Solve for x
    x = 96,546,258.11/10,896.58
  6. Step 6: Final answer
    x = 8,860.23

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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.