Home / 13,344.21-18,423.59-8,566.16

Finding the Fourth Proportional to 13,344.21, 18,423.59 and 8,566.16

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Solution

The fourth proportional to 13,344.21, 18,423.59 and 8,566.16 is: 11,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.21 : 18,423.59 = 8,566.16 : x
  2. Step 2: Convert to fraction form
    13,344.21/18,423.59 = 8,566.16/x
  3. Step 3: Cross multiply
    13,344.21x = 18,423.59 × 8,566.16
  4. Step 4: Simplify right side
    13,344.21x = 157,819,284.77
  5. Step 5: Solve for x
    x = 157,819,284.77/13,344.21
  6. Step 6: Final answer
    x = 11,826.80

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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.