Home / 12,534.48-18,802.05-4,214.64

Finding the Fourth Proportional to 12,534.48, 18,802.05 and 4,214.64

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Solution

The fourth proportional to 12,534.48, 18,802.05 and 4,214.64 is: 6,322.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534.48 : 18,802.05 = 4,214.64 : x
  2. Step 2: Convert to fraction form
    12,534.48/18,802.05 = 4,214.64/x
  3. Step 3: Cross multiply
    12,534.48x = 18,802.05 × 4,214.64
  4. Step 4: Simplify right side
    12,534.48x = 79,243,872.01
  5. Step 5: Solve for x
    x = 79,243,872.01/12,534.48
  6. Step 6: Final answer
    x = 6,322.07

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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.