Home / 10,646.61-15,959.95-3,621.82

Finding the Fourth Proportional to 10,646.61, 15,959.95 and 3,621.82

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Solution

The fourth proportional to 10,646.61, 15,959.95 and 3,621.82 is: 5,429.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.61 : 15,959.95 = 3,621.82 : x
  2. Step 2: Convert to fraction form
    10,646.61/15,959.95 = 3,621.82/x
  3. Step 3: Cross multiply
    10,646.61x = 15,959.95 × 3,621.82
  4. Step 4: Simplify right side
    10,646.61x = 57,804,066.11
  5. Step 5: Solve for x
    x = 57,804,066.11/10,646.61
  6. Step 6: Final answer
    x = 5,429.34

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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.