Home / 13,246.43-18,280.04-7,581.20

Finding the Fourth Proportional to 13,246.43, 18,280.04 and 7,581.20

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Solution

The fourth proportional to 13,246.43, 18,280.04 and 7,581.20 is: 10,462.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.43 : 18,280.04 = 7,581.20 : x
  2. Step 2: Convert to fraction form
    13,246.43/18,280.04 = 7,581.20/x
  3. Step 3: Cross multiply
    13,246.43x = 18,280.04 × 7,581.20
  4. Step 4: Simplify right side
    13,246.43x = 138,584,509.94
  5. Step 5: Solve for x
    x = 138,584,509.94/13,246.43
  6. Step 6: Final answer
    x = 10,462.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.