Home / 13,316.50-19,988.56-9,810.44

Finding the Fourth Proportional to 13,316.50, 19,988.56 and 9,810.44

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Solution

The fourth proportional to 13,316.50, 19,988.56 and 9,810.44 is: 14,725.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.50 : 19,988.56 = 9,810.44 : x
  2. Step 2: Convert to fraction form
    13,316.50/19,988.56 = 9,810.44/x
  3. Step 3: Cross multiply
    13,316.50x = 19,988.56 × 9,810.44
  4. Step 4: Simplify right side
    13,316.50x = 196,096,568.57
  5. Step 5: Solve for x
    x = 196,096,568.57/13,316.50
  6. Step 6: Final answer
    x = 14,725.83

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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.