Home / 10,905.36-15,034.28-7,362.96

Finding the Fourth Proportional to 10,905.36, 15,034.28 and 7,362.96

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Solution

The fourth proportional to 10,905.36, 15,034.28 and 7,362.96 is: 10,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.36 : 15,034.28 = 7,362.96 : x
  2. Step 2: Convert to fraction form
    10,905.36/15,034.28 = 7,362.96/x
  3. Step 3: Cross multiply
    10,905.36x = 15,034.28 × 7,362.96
  4. Step 4: Simplify right side
    10,905.36x = 110,696,802.27
  5. Step 5: Solve for x
    x = 110,696,802.27/10,905.36
  6. Step 6: Final answer
    x = 10,150.68

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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.