Home / 13,386.02-20,091.49-6,817.12

Finding the Fourth Proportional to 13,386.02, 20,091.49 and 6,817.12

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Solution

The fourth proportional to 13,386.02, 20,091.49 and 6,817.12 is: 10,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386.02 : 20,091.49 = 6,817.12 : x
  2. Step 2: Convert to fraction form
    13,386.02/20,091.49 = 6,817.12/x
  3. Step 3: Cross multiply
    13,386.02x = 20,091.49 × 6,817.12
  4. Step 4: Simplify right side
    13,386.02x = 136,966,031.04
  5. Step 5: Solve for x
    x = 136,966,031.04/13,386.02
  6. Step 6: Final answer
    x = 10,232.02

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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.