Home / 13,484.32-18,607.93-8,451.25

Finding the Fourth Proportional to 13,484.32, 18,607.93 and 8,451.25

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Solution

The fourth proportional to 13,484.32, 18,607.93 and 8,451.25 is: 11,662.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.32 : 18,607.93 = 8,451.25 : x
  2. Step 2: Convert to fraction form
    13,484.32/18,607.93 = 8,451.25/x
  3. Step 3: Cross multiply
    13,484.32x = 18,607.93 × 8,451.25
  4. Step 4: Simplify right side
    13,484.32x = 157,260,226.16
  5. Step 5: Solve for x
    x = 157,260,226.16/13,484.32
  6. Step 6: Final answer
    x = 11,662.46

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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.