Home / 19,136.08-28,705.44-8,031.70

Finding the Fourth Proportional to 19,136.08, 28,705.44 and 8,031.70

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Solution

The fourth proportional to 19,136.08, 28,705.44 and 8,031.70 is: 12,048.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.08 : 28,705.44 = 8,031.70 : x
  2. Step 2: Convert to fraction form
    19,136.08/28,705.44 = 8,031.70/x
  3. Step 3: Cross multiply
    19,136.08x = 28,705.44 × 8,031.70
  4. Step 4: Simplify right side
    19,136.08x = 230,553,482.45
  5. Step 5: Solve for x
    x = 230,553,482.45/19,136.08
  6. Step 6: Final answer
    x = 12,048.10

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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.