Home / 11,009.81-16,510.73-4,685.11

Finding the Fourth Proportional to 11,009.81, 16,510.73 and 4,685.11

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Solution

The fourth proportional to 11,009.81, 16,510.73 and 4,685.11 is: 7,025.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.81 : 16,510.73 = 4,685.11 : x
  2. Step 2: Convert to fraction form
    11,009.81/16,510.73 = 4,685.11/x
  3. Step 3: Cross multiply
    11,009.81x = 16,510.73 × 4,685.11
  4. Step 4: Simplify right side
    11,009.81x = 77,354,586.23
  5. Step 5: Solve for x
    x = 77,354,586.23/11,009.81
  6. Step 6: Final answer
    x = 7,025.97

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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.