Home / 10,316.36-15,466.68-5,640.36

Finding the Fourth Proportional to 10,316.36, 15,466.68 and 5,640.36

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Solution

The fourth proportional to 10,316.36, 15,466.68 and 5,640.36 is: 8,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.36 : 15,466.68 = 5,640.36 : x
  2. Step 2: Convert to fraction form
    10,316.36/15,466.68 = 5,640.36/x
  3. Step 3: Cross multiply
    10,316.36x = 15,466.68 × 5,640.36
  4. Step 4: Simplify right side
    10,316.36x = 87,237,643.20
  5. Step 5: Solve for x
    x = 87,237,643.20/10,316.36
  6. Step 6: Final answer
    x = 8,456.25

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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.