Home / 14,051.81-21,077.23-3,521.93

Finding the Fourth Proportional to 14,051.81, 21,077.23 and 3,521.93

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Solution

The fourth proportional to 14,051.81, 21,077.23 and 3,521.93 is: 5,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.81 : 21,077.23 = 3,521.93 : x
  2. Step 2: Convert to fraction form
    14,051.81/21,077.23 = 3,521.93/x
  3. Step 3: Cross multiply
    14,051.81x = 21,077.23 × 3,521.93
  4. Step 4: Simplify right side
    14,051.81x = 74,232,405.66
  5. Step 5: Solve for x
    x = 74,232,405.66/14,051.81
  6. Step 6: Final answer
    x = 5,282.76

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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.