Home / 10,345.57-15,526.11-7,579.28

Finding the Fourth Proportional to 10,345.57, 15,526.11 and 7,579.28

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Solution

The fourth proportional to 10,345.57, 15,526.11 and 7,579.28 is: 11,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.57 : 15,526.11 = 7,579.28 : x
  2. Step 2: Convert to fraction form
    10,345.57/15,526.11 = 7,579.28/x
  3. Step 3: Cross multiply
    10,345.57x = 15,526.11 × 7,579.28
  4. Step 4: Simplify right side
    10,345.57x = 117,676,735.00
  5. Step 5: Solve for x
    x = 117,676,735.00/10,345.57
  6. Step 6: Final answer
    x = 11,374.60

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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.