Home / 20,463.56-28,237.06-11,510.76

Finding the Fourth Proportional to 20,463.56, 28,237.06 and 11,510.76

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Solution

The fourth proportional to 20,463.56, 28,237.06 and 11,510.76 is: 15,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463.56 : 28,237.06 = 11,510.76 : x
  2. Step 2: Convert to fraction form
    20,463.56/28,237.06 = 11,510.76/x
  3. Step 3: Cross multiply
    20,463.56x = 28,237.06 × 11,510.76
  4. Step 4: Simplify right side
    20,463.56x = 325,030,020.77
  5. Step 5: Solve for x
    x = 325,030,020.77/20,463.56
  6. Step 6: Final answer
    x = 15,883.36

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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.