Home / 12,636.04-18,953.98-4,312.04

Finding the Fourth Proportional to 12,636.04, 18,953.98 and 4,312.04

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Solution

The fourth proportional to 12,636.04, 18,953.98 and 4,312.04 is: 6,468.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636.04 : 18,953.98 = 4,312.04 : x
  2. Step 2: Convert to fraction form
    12,636.04/18,953.98 = 4,312.04/x
  3. Step 3: Cross multiply
    12,636.04x = 18,953.98 × 4,312.04
  4. Step 4: Simplify right side
    12,636.04x = 81,730,319.92
  5. Step 5: Solve for x
    x = 81,730,319.92/12,636.04
  6. Step 6: Final answer
    x = 6,468.03

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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.