Home / 10,236.54-15,345.67-3,995.10

Finding the Fourth Proportional to 10,236.54, 15,345.67 and 3,995.10

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Solution

The fourth proportional to 10,236.54, 15,345.67 and 3,995.10 is: 5,989.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.54 : 15,345.67 = 3,995.10 : x
  2. Step 2: Convert to fraction form
    10,236.54/15,345.67 = 3,995.10/x
  3. Step 3: Cross multiply
    10,236.54x = 15,345.67 × 3,995.10
  4. Step 4: Simplify right side
    10,236.54x = 61,307,486.22
  5. Step 5: Solve for x
    x = 61,307,486.22/10,236.54
  6. Step 6: Final answer
    x = 5,989.08

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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.