Home / 9,688.05-14,522.94-7,312.50

Finding the Fourth Proportional to 9,688.05, 14,522.94 and 7,312.50

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Solution

The fourth proportional to 9,688.05, 14,522.94 and 7,312.50 is: 10,961.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.05 : 14,522.94 = 7,312.50 : x
  2. Step 2: Convert to fraction form
    9,688.05/14,522.94 = 7,312.50/x
  3. Step 3: Cross multiply
    9,688.05x = 14,522.94 × 7,312.50
  4. Step 4: Simplify right side
    9,688.05x = 106,198,998.75
  5. Step 5: Solve for x
    x = 106,198,998.75/9,688.05
  6. Step 6: Final answer
    x = 10,961.85

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1.5x scale

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.