Home / 11,298.54-15,586.74-7,320.99

Finding the Fourth Proportional to 11,298.54, 15,586.74 and 7,320.99

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Solution

The fourth proportional to 11,298.54, 15,586.74 and 7,320.99 is: 10,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,298.54 : 15,586.74 = 7,320.99 : x
  2. Step 2: Convert to fraction form
    11,298.54/15,586.74 = 7,320.99/x
  3. Step 3: Cross multiply
    11,298.54x = 15,586.74 × 7,320.99
  4. Step 4: Simplify right side
    11,298.54x = 114,110,367.67
  5. Step 5: Solve for x
    x = 114,110,367.67/11,298.54
  6. Step 6: Final answer
    x = 10,099.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.