Home / 11,306.87-15,603.51-6,271.15

Finding the Fourth Proportional to 11,306.87, 15,603.51 and 6,271.15

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Solution

The fourth proportional to 11,306.87, 15,603.51 and 6,271.15 is: 8,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.87 : 15,603.51 = 6,271.15 : x
  2. Step 2: Convert to fraction form
    11,306.87/15,603.51 = 6,271.15/x
  3. Step 3: Cross multiply
    11,306.87x = 15,603.51 × 6,271.15
  4. Step 4: Simplify right side
    11,306.87x = 97,851,951.74
  5. Step 5: Solve for x
    x = 97,851,951.74/11,306.87
  6. Step 6: Final answer
    x = 8,654.20

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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.