Home / 15,688.28-23,511.65-7,353.37

Finding the Fourth Proportional to 15,688.28, 23,511.65 and 7,353.37

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Solution

The fourth proportional to 15,688.28, 23,511.65 and 7,353.37 is: 11,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,688.28 : 23,511.65 = 7,353.37 : x
  2. Step 2: Convert to fraction form
    15,688.28/23,511.65 = 7,353.37/x
  3. Step 3: Cross multiply
    15,688.28x = 23,511.65 × 7,353.37
  4. Step 4: Simplify right side
    15,688.28x = 172,889,861.76
  5. Step 5: Solve for x
    x = 172,889,861.76/15,688.28
  6. Step 6: Final answer
    x = 11,020.32

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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.