Home / 13,725.89-18,929.50-10,701.75

Finding the Fourth Proportional to 13,725.89, 18,929.50 and 10,701.75

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Solution

The fourth proportional to 13,725.89, 18,929.50 and 10,701.75 is: 14,758.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.89 : 18,929.50 = 10,701.75 : x
  2. Step 2: Convert to fraction form
    13,725.89/18,929.50 = 10,701.75/x
  3. Step 3: Cross multiply
    13,725.89x = 18,929.50 × 10,701.75
  4. Step 4: Simplify right side
    13,725.89x = 202,578,820.86
  5. Step 5: Solve for x
    x = 202,578,820.86/13,725.89
  6. Step 6: Final answer
    x = 14,758.89

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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.