Home / 12,482.04-18,728.85-5,461.13

Finding the Fourth Proportional to 12,482.04, 18,728.85 and 5,461.13

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Solution

The fourth proportional to 12,482.04, 18,728.85 and 5,461.13 is: 8,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.04 : 18,728.85 = 5,461.13 : x
  2. Step 2: Convert to fraction form
    12,482.04/18,728.85 = 5,461.13/x
  3. Step 3: Cross multiply
    12,482.04x = 18,728.85 × 5,461.13
  4. Step 4: Simplify right side
    12,482.04x = 102,280,600.47
  5. Step 5: Solve for x
    x = 102,280,600.47/12,482.04
  6. Step 6: Final answer
    x = 8,194.22

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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.