Home / 13,255.68-18,291.84-9,484.80

Finding the Fourth Proportional to 13,255.68, 18,291.84 and 9,484.80

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Solution

The fourth proportional to 13,255.68, 18,291.84 and 9,484.80 is: 13,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.68 : 18,291.84 = 9,484.80 : x
  2. Step 2: Convert to fraction form
    13,255.68/18,291.84 = 9,484.80/x
  3. Step 3: Cross multiply
    13,255.68x = 18,291.84 × 9,484.80
  4. Step 4: Simplify right side
    13,255.68x = 173,494,444.03
  5. Step 5: Solve for x
    x = 173,494,444.03/13,255.68
  6. Step 6: Final answer
    x = 13,088.31

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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.