Home / 14,172.81-21,228.84-11,527.76

Finding the Fourth Proportional to 14,172.81, 21,228.84 and 11,527.76

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Solution

The fourth proportional to 14,172.81, 21,228.84 and 11,527.76 is: 17,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.81 : 21,228.84 = 11,527.76 : x
  2. Step 2: Convert to fraction form
    14,172.81/21,228.84 = 11,527.76/x
  3. Step 3: Cross multiply
    14,172.81x = 21,228.84 × 11,527.76
  4. Step 4: Simplify right side
    14,172.81x = 244,720,866.45
  5. Step 5: Solve for x
    x = 244,720,866.45/14,172.81
  6. Step 6: Final answer
    x = 17,266.93

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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.