Home / 10,211.55-15,300.54-6,307.89

Finding the Fourth Proportional to 10,211.55, 15,300.54 and 6,307.89

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Solution

The fourth proportional to 10,211.55, 15,300.54 and 6,307.89 is: 9,451.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.55 : 15,300.54 = 6,307.89 : x
  2. Step 2: Convert to fraction form
    10,211.55/15,300.54 = 6,307.89/x
  3. Step 3: Cross multiply
    10,211.55x = 15,300.54 × 6,307.89
  4. Step 4: Simplify right side
    10,211.55x = 96,514,123.26
  5. Step 5: Solve for x
    x = 96,514,123.26/10,211.55
  6. Step 6: Final answer
    x = 9,451.47

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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.