Home / 11,307.53-15,603.39-6,271.65

Finding the Fourth Proportional to 11,307.53, 15,603.39 and 6,271.65

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Solution

The fourth proportional to 11,307.53, 15,603.39 and 6,271.65 is: 8,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.53 : 15,603.39 = 6,271.65 : x
  2. Step 2: Convert to fraction form
    11,307.53/15,603.39 = 6,271.65/x
  3. Step 3: Cross multiply
    11,307.53x = 15,603.39 × 6,271.65
  4. Step 4: Simplify right side
    11,307.53x = 97,859,000.89
  5. Step 5: Solve for x
    x = 97,859,000.89/11,307.53
  6. Step 6: Final answer
    x = 8,654.32

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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.