Home / 10,164.09-15,243.61-6,897.45

Finding the Fourth Proportional to 10,164.09, 15,243.61 and 6,897.45

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Solution

The fourth proportional to 10,164.09, 15,243.61 and 6,897.45 is: 10,344.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,164.09 : 15,243.61 = 6,897.45 : x
  2. Step 2: Convert to fraction form
    10,164.09/15,243.61 = 6,897.45/x
  3. Step 3: Cross multiply
    10,164.09x = 15,243.61 × 6,897.45
  4. Step 4: Simplify right side
    10,164.09x = 105,142,037.79
  5. Step 5: Solve for x
    x = 105,142,037.79/10,164.09
  6. Step 6: Final answer
    x = 10,344.46

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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.