Home / 14,139.44-19,512.60-7,852.40

Finding the Fourth Proportional to 14,139.44, 19,512.60 and 7,852.40

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Solution

The fourth proportional to 14,139.44, 19,512.60 and 7,852.40 is: 10,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.44 : 19,512.60 = 7,852.40 : x
  2. Step 2: Convert to fraction form
    14,139.44/19,512.60 = 7,852.40/x
  3. Step 3: Cross multiply
    14,139.44x = 19,512.60 × 7,852.40
  4. Step 4: Simplify right side
    14,139.44x = 153,220,740.24
  5. Step 5: Solve for x
    x = 153,220,740.24/14,139.44
  6. Step 6: Final answer
    x = 10,836.41

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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.