Home / 13,253.69-19,865.96-8,860.25

Finding the Fourth Proportional to 13,253.69, 19,865.96 and 8,860.25

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Solution

The fourth proportional to 13,253.69, 19,865.96 and 8,860.25 is: 13,280.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.69 : 19,865.96 = 8,860.25 : x
  2. Step 2: Convert to fraction form
    13,253.69/19,865.96 = 8,860.25/x
  3. Step 3: Cross multiply
    13,253.69x = 19,865.96 × 8,860.25
  4. Step 4: Simplify right side
    13,253.69x = 176,017,327.79
  5. Step 5: Solve for x
    x = 176,017,327.79/13,253.69
  6. Step 6: Final answer
    x = 13,280.63

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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.