Home / 10,289.56-15,343.98-10,196

Finding the Fourth Proportional to 10,289.56, 15,343.98 and 10,196

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Solution

The fourth proportional to 10,289.56, 15,343.98 and 10,196 is: 15,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.56 : 15,343.98 = 10,196 : x
  2. Step 2: Convert to fraction form
    10,289.56/15,343.98 = 10,196/x
  3. Step 3: Cross multiply
    10,289.56x = 15,343.98 × 10,196
  4. Step 4: Simplify right side
    10,289.56x = 156,447,220.08
  5. Step 5: Solve for x
    x = 156,447,220.08/10,289.56
  6. Step 6: Final answer
    x = 15,204.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.