Home / 43,918.07-65,877.13-10,638.17

Finding the Fourth Proportional to 43,918.07, 65,877.13 and 10,638.17

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Solution

The fourth proportional to 43,918.07, 65,877.13 and 10,638.17 is: 15,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,918.07 : 65,877.13 = 10,638.17 : x
  2. Step 2: Convert to fraction form
    43,918.07/65,877.13 = 10,638.17/x
  3. Step 3: Cross multiply
    43,918.07x = 65,877.13 × 10,638.17
  4. Step 4: Simplify right side
    43,918.07x = 700,812,039.00
  5. Step 5: Solve for x
    x = 700,812,039.00/43,918.07
  6. Step 6: Final answer
    x = 15,957.26

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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.