Home / 10,646.36-15,969.64-3,720.88

Finding the Fourth Proportional to 10,646.36, 15,969.64 and 3,720.88

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Solution

The fourth proportional to 10,646.36, 15,969.64 and 3,720.88 is: 5,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.36 : 15,969.64 = 3,720.88 : x
  2. Step 2: Convert to fraction form
    10,646.36/15,969.64 = 3,720.88/x
  3. Step 3: Cross multiply
    10,646.36x = 15,969.64 × 3,720.88
  4. Step 4: Simplify right side
    10,646.36x = 59,421,114.08
  5. Step 5: Solve for x
    x = 59,421,114.08/10,646.36
  6. Step 6: Final answer
    x = 5,581.35

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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.