Home / 13,397.28-20,093.02-8,460.32

Finding the Fourth Proportional to 13,397.28, 20,093.02 and 8,460.32

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Solution

The fourth proportional to 13,397.28, 20,093.02 and 8,460.32 is: 12,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.28 : 20,093.02 = 8,460.32 : x
  2. Step 2: Convert to fraction form
    13,397.28/20,093.02 = 8,460.32/x
  3. Step 3: Cross multiply
    13,397.28x = 20,093.02 × 8,460.32
  4. Step 4: Simplify right side
    13,397.28x = 169,993,378.97
  5. Step 5: Solve for x
    x = 169,993,378.97/13,397.28
  6. Step 6: Final answer
    x = 12,688.65

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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.