Home / 11,306.88-15,603.68-6,271.31

Finding the Fourth Proportional to 11,306.88, 15,603.68 and 6,271.31

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Solution

The fourth proportional to 11,306.88, 15,603.68 and 6,271.31 is: 8,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.88 : 15,603.68 = 6,271.31 : x
  2. Step 2: Convert to fraction form
    11,306.88/15,603.68 = 6,271.31/x
  3. Step 3: Cross multiply
    11,306.88x = 15,603.68 × 6,271.31
  4. Step 4: Simplify right side
    11,306.88x = 97,855,569.11
  5. Step 5: Solve for x
    x = 97,855,569.11/11,306.88
  6. Step 6: Final answer
    x = 8,654.52

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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.