Home / 15,973.81-22,043.75-8,900.28

Finding the Fourth Proportional to 15,973.81, 22,043.75 and 8,900.28

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Solution

The fourth proportional to 15,973.81, 22,043.75 and 8,900.28 is: 12,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,973.81 : 22,043.75 = 8,900.28 : x
  2. Step 2: Convert to fraction form
    15,973.81/22,043.75 = 8,900.28/x
  3. Step 3: Cross multiply
    15,973.81x = 22,043.75 × 8,900.28
  4. Step 4: Simplify right side
    15,973.81x = 196,195,502.75
  5. Step 5: Solve for x
    x = 196,195,502.75/15,973.81
  6. Step 6: Final answer
    x = 12,282.33

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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.