Home / 14,154.45-19,532.64-9,118.88

Finding the Fourth Proportional to 14,154.45, 19,532.64 and 9,118.88

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Solution

The fourth proportional to 14,154.45, 19,532.64 and 9,118.88 is: 12,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.45 : 19,532.64 = 9,118.88 : x
  2. Step 2: Convert to fraction form
    14,154.45/19,532.64 = 9,118.88/x
  3. Step 3: Cross multiply
    14,154.45x = 19,532.64 × 9,118.88
  4. Step 4: Simplify right side
    14,154.45x = 178,115,810.02
  5. Step 5: Solve for x
    x = 178,115,810.02/14,154.45
  6. Step 6: Final answer
    x = 12,583.74

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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.