Home / 13,432.28-18,536.19-7,464.50

Finding the Fourth Proportional to 13,432.28, 18,536.19 and 7,464.50

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Solution

The fourth proportional to 13,432.28, 18,536.19 and 7,464.50 is: 10,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.28 : 18,536.19 = 7,464.50 : x
  2. Step 2: Convert to fraction form
    13,432.28/18,536.19 = 7,464.50/x
  3. Step 3: Cross multiply
    13,432.28x = 18,536.19 × 7,464.50
  4. Step 4: Simplify right side
    13,432.28x = 138,363,485.35
  5. Step 5: Solve for x
    x = 138,363,485.35/13,432.28
  6. Step 6: Final answer
    x = 10,300.82

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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.