Home / 11,295.65-15,588.40-6,818.53

Finding the Fourth Proportional to 11,295.65, 15,588.40 and 6,818.53

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Solution

The fourth proportional to 11,295.65, 15,588.40 and 6,818.53 is: 9,409.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.65 : 15,588.40 = 6,818.53 : x
  2. Step 2: Convert to fraction form
    11,295.65/15,588.40 = 6,818.53/x
  3. Step 3: Cross multiply
    11,295.65x = 15,588.40 × 6,818.53
  4. Step 4: Simplify right side
    11,295.65x = 106,289,973.05
  5. Step 5: Solve for x
    x = 106,289,973.05/11,295.65
  6. Step 6: Final answer
    x = 9,409.81

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Double scale
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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.