Home / 12,615.24-17,416.28-8,741.80

Finding the Fourth Proportional to 12,615.24, 17,416.28 and 8,741.80

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Solution

The fourth proportional to 12,615.24, 17,416.28 and 8,741.80 is: 12,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615.24 : 17,416.28 = 8,741.80 : x
  2. Step 2: Convert to fraction form
    12,615.24/17,416.28 = 8,741.80/x
  3. Step 3: Cross multiply
    12,615.24x = 17,416.28 × 8,741.80
  4. Step 4: Simplify right side
    12,615.24x = 152,249,636.50
  5. Step 5: Solve for x
    x = 152,249,636.50/12,615.24
  6. Step 6: Final answer
    x = 12,068.71

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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.