Home / 13,386.04-20,080.68-4,622.92

Finding the Fourth Proportional to 13,386.04, 20,080.68 and 4,622.92

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Solution

The fourth proportional to 13,386.04, 20,080.68 and 4,622.92 is: 6,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386.04 : 20,080.68 = 4,622.92 : x
  2. Step 2: Convert to fraction form
    13,386.04/20,080.68 = 4,622.92/x
  3. Step 3: Cross multiply
    13,386.04x = 20,080.68 × 4,622.92
  4. Step 4: Simplify right side
    13,386.04x = 92,831,377.19
  5. Step 5: Solve for x
    x = 92,831,377.19/13,386.04
  6. Step 6: Final answer
    x = 6,934.94

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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.