Home / 11,208.02-15,465.30-6,491.38

Finding the Fourth Proportional to 11,208.02, 15,465.30 and 6,491.38

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Solution

The fourth proportional to 11,208.02, 15,465.30 and 6,491.38 is: 8,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.02 : 15,465.30 = 6,491.38 : x
  2. Step 2: Convert to fraction form
    11,208.02/15,465.30 = 6,491.38/x
  3. Step 3: Cross multiply
    11,208.02x = 15,465.30 × 6,491.38
  4. Step 4: Simplify right side
    11,208.02x = 100,391,139.11
  5. Step 5: Solve for x
    x = 100,391,139.11/11,208.02
  6. Step 6: Final answer
    x = 8,957.08

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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.