Home / 11,329.34-16,985.02-4,307.93

Finding the Fourth Proportional to 11,329.34, 16,985.02 and 4,307.93

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Solution

The fourth proportional to 11,329.34, 16,985.02 and 4,307.93 is: 6,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.34 : 16,985.02 = 4,307.93 : x
  2. Step 2: Convert to fraction form
    11,329.34/16,985.02 = 4,307.93/x
  3. Step 3: Cross multiply
    11,329.34x = 16,985.02 × 4,307.93
  4. Step 4: Simplify right side
    11,329.34x = 73,170,336.71
  5. Step 5: Solve for x
    x = 73,170,336.71/11,329.34
  6. Step 6: Final answer
    x = 6,458.48

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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.