Home / 12,529.72-18,795.04-4,210.01

Finding the Fourth Proportional to 12,529.72, 18,795.04 and 4,210.01

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Solution

The fourth proportional to 12,529.72, 18,795.04 and 4,210.01 is: 6,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.72 : 18,795.04 = 4,210.01 : x
  2. Step 2: Convert to fraction form
    12,529.72/18,795.04 = 4,210.01/x
  3. Step 3: Cross multiply
    12,529.72x = 18,795.04 × 4,210.01
  4. Step 4: Simplify right side
    12,529.72x = 79,127,272.33
  5. Step 5: Solve for x
    x = 79,127,272.33/12,529.72
  6. Step 6: Final answer
    x = 6,315.17

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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.