Home / 13,214.64-19,824.12-4,894.68

Finding the Fourth Proportional to 13,214.64, 19,824.12 and 4,894.68

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Solution

The fourth proportional to 13,214.64, 19,824.12 and 4,894.68 is: 7,342.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.64 : 19,824.12 = 4,894.68 : x
  2. Step 2: Convert to fraction form
    13,214.64/19,824.12 = 4,894.68/x
  3. Step 3: Cross multiply
    13,214.64x = 19,824.12 × 4,894.68
  4. Step 4: Simplify right side
    13,214.64x = 97,032,723.68
  5. Step 5: Solve for x
    x = 97,032,723.68/13,214.64
  6. Step 6: Final answer
    x = 7,342.82

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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.