Home / 14,819.40-22,175.10-10,931.40

Finding the Fourth Proportional to 14,819.40, 22,175.10 and 10,931.40

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Solution

The fourth proportional to 14,819.40, 22,175.10 and 10,931.40 is: 16,357.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819.40 : 22,175.10 = 10,931.40 : x
  2. Step 2: Convert to fraction form
    14,819.40/22,175.10 = 10,931.40/x
  3. Step 3: Cross multiply
    14,819.40x = 22,175.10 × 10,931.40
  4. Step 4: Simplify right side
    14,819.40x = 242,404,888.14
  5. Step 5: Solve for x
    x = 242,404,888.14/14,819.40
  6. Step 6: Final answer
    x = 16,357.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.