Home / 13,477.06-20,215.74-4,712.02

Finding the Fourth Proportional to 13,477.06, 20,215.74 and 4,712.02

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Solution

The fourth proportional to 13,477.06, 20,215.74 and 4,712.02 is: 7,068.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.06 : 20,215.74 = 4,712.02 : x
  2. Step 2: Convert to fraction form
    13,477.06/20,215.74 = 4,712.02/x
  3. Step 3: Cross multiply
    13,477.06x = 20,215.74 × 4,712.02
  4. Step 4: Simplify right side
    13,477.06x = 95,256,971.19
  5. Step 5: Solve for x
    x = 95,256,971.19/13,477.06
  6. Step 6: Final answer
    x = 7,068.08

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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.