Home / 13,937.48-19,233.84-7,969.40

Finding the Fourth Proportional to 13,937.48, 19,233.84 and 7,969.40

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Solution

The fourth proportional to 13,937.48, 19,233.84 and 7,969.40 is: 10,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.48 : 19,233.84 = 7,969.40 : x
  2. Step 2: Convert to fraction form
    13,937.48/19,233.84 = 7,969.40/x
  3. Step 3: Cross multiply
    13,937.48x = 19,233.84 × 7,969.40
  4. Step 4: Simplify right side
    13,937.48x = 153,282,164.50
  5. Step 5: Solve for x
    x = 153,282,164.50/13,937.48
  6. Step 6: Final answer
    x = 10,997.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.