Home / 10,329.50-14,254.81-5,613.80

Finding the Fourth Proportional to 10,329.50, 14,254.81 and 5,613.80

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Solution

The fourth proportional to 10,329.50, 14,254.81 and 5,613.80 is: 7,747.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.50 : 14,254.81 = 5,613.80 : x
  2. Step 2: Convert to fraction form
    10,329.50/14,254.81 = 5,613.80/x
  3. Step 3: Cross multiply
    10,329.50x = 14,254.81 × 5,613.80
  4. Step 4: Simplify right side
    10,329.50x = 80,023,567.07
  5. Step 5: Solve for x
    x = 80,023,567.07/10,329.50
  6. Step 6: Final answer
    x = 7,747.09

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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.