Home / 19,308.66-28,962.63-12,969.06

Finding the Fourth Proportional to 19,308.66, 28,962.63 and 12,969.06

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Solution

The fourth proportional to 19,308.66, 28,962.63 and 12,969.06 is: 19,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308.66 : 28,962.63 = 12,969.06 : x
  2. Step 2: Convert to fraction form
    19,308.66/28,962.63 = 12,969.06/x
  3. Step 3: Cross multiply
    19,308.66x = 28,962.63 × 12,969.06
  4. Step 4: Simplify right side
    19,308.66x = 375,618,086.23
  5. Step 5: Solve for x
    x = 375,618,086.23/19,308.66
  6. Step 6: Final answer
    x = 19,453.35

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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.