Home / 13,437.84-20,156.80-4,077.93

Finding the Fourth Proportional to 13,437.84, 20,156.80 and 4,077.93

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Solution

The fourth proportional to 13,437.84, 20,156.80 and 4,077.93 is: 6,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.84 : 20,156.80 = 4,077.93 : x
  2. Step 2: Convert to fraction form
    13,437.84/20,156.80 = 4,077.93/x
  3. Step 3: Cross multiply
    13,437.84x = 20,156.80 × 4,077.93
  4. Step 4: Simplify right side
    13,437.84x = 82,198,092.46
  5. Step 5: Solve for x
    x = 82,198,092.46/13,437.84
  6. Step 6: Final answer
    x = 6,116.91

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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.