Home / 20,175.77-30,263.65-5,384.74

Finding the Fourth Proportional to 20,175.77, 30,263.65 and 5,384.74

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Solution

The fourth proportional to 20,175.77, 30,263.65 and 5,384.74 is: 8,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.77 : 30,263.65 = 5,384.74 : x
  2. Step 2: Convert to fraction form
    20,175.77/30,263.65 = 5,384.74/x
  3. Step 3: Cross multiply
    20,175.77x = 30,263.65 × 5,384.74
  4. Step 4: Simplify right side
    20,175.77x = 162,961,886.70
  5. Step 5: Solve for x
    x = 162,961,886.70/20,175.77
  6. Step 6: Final answer
    x = 8,077.11

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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.