Home / 10,646.98-15,985.19-7,351.94

Finding the Fourth Proportional to 10,646.98, 15,985.19 and 7,351.94

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Solution

The fourth proportional to 10,646.98, 15,985.19 and 7,351.94 is: 11,038.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.98 : 15,985.19 = 7,351.94 : x
  2. Step 2: Convert to fraction form
    10,646.98/15,985.19 = 7,351.94/x
  3. Step 3: Cross multiply
    10,646.98x = 15,985.19 × 7,351.94
  4. Step 4: Simplify right side
    10,646.98x = 117,522,157.77
  5. Step 5: Solve for x
    x = 117,522,157.77/10,646.98
  6. Step 6: Final answer
    x = 11,038.07

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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.