Home / 15,866.76-23,783.40-5,326.80

Finding the Fourth Proportional to 15,866.76, 23,783.40 and 5,326.80

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Solution

The fourth proportional to 15,866.76, 23,783.40 and 5,326.80 is: 7,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,866.76 : 23,783.40 = 5,326.80 : x
  2. Step 2: Convert to fraction form
    15,866.76/23,783.40 = 5,326.80/x
  3. Step 3: Cross multiply
    15,866.76x = 23,783.40 × 5,326.80
  4. Step 4: Simplify right side
    15,866.76x = 126,689,415.12
  5. Step 5: Solve for x
    x = 126,689,415.12/15,866.76
  6. Step 6: Final answer
    x = 7,984.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.