Home / 13,221.36-19,822.32-6,300.72

Finding the Fourth Proportional to 13,221.36, 19,822.32 and 6,300.72

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Solution

The fourth proportional to 13,221.36, 19,822.32 and 6,300.72 is: 9,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221.36 : 19,822.32 = 6,300.72 : x
  2. Step 2: Convert to fraction form
    13,221.36/19,822.32 = 6,300.72/x
  3. Step 3: Cross multiply
    13,221.36x = 19,822.32 × 6,300.72
  4. Step 4: Simplify right side
    13,221.36x = 124,894,888.07
  5. Step 5: Solve for x
    x = 124,894,888.07/13,221.36
  6. Step 6: Final answer
    x = 9,446.45

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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.