Home / 13,228.89-19,839.98-4,904.31

Finding the Fourth Proportional to 13,228.89, 19,839.98 and 4,904.31

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Solution

The fourth proportional to 13,228.89, 19,839.98 and 4,904.31 is: 7,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.89 : 19,839.98 = 4,904.31 : x
  2. Step 2: Convert to fraction form
    13,228.89/19,839.98 = 4,904.31/x
  3. Step 3: Cross multiply
    13,228.89x = 19,839.98 × 4,904.31
  4. Step 4: Simplify right side
    13,228.89x = 97,301,387.79
  5. Step 5: Solve for x
    x = 97,301,387.79/13,228.89
  6. Step 6: Final answer
    x = 7,355.22

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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.