Home / 13,009.70-19,516.17-4,688.30

Finding the Fourth Proportional to 13,009.70, 19,516.17 and 4,688.30

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Solution

The fourth proportional to 13,009.70, 19,516.17 and 4,688.30 is: 7,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.70 : 19,516.17 = 4,688.30 : x
  2. Step 2: Convert to fraction form
    13,009.70/19,516.17 = 4,688.30/x
  3. Step 3: Cross multiply
    13,009.70x = 19,516.17 × 4,688.30
  4. Step 4: Simplify right side
    13,009.70x = 91,497,659.81
  5. Step 5: Solve for x
    x = 91,497,659.81/13,009.70
  6. Step 6: Final answer
    x = 7,033.03

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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.