Home / 14,574.03-21,861.18-4,185.78

Finding the Fourth Proportional to 14,574.03, 21,861.18 and 4,185.78

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Solution

The fourth proportional to 14,574.03, 21,861.18 and 4,185.78 is: 6,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.03 : 21,861.18 = 4,185.78 : x
  2. Step 2: Convert to fraction form
    14,574.03/21,861.18 = 4,185.78/x
  3. Step 3: Cross multiply
    14,574.03x = 21,861.18 × 4,185.78
  4. Step 4: Simplify right side
    14,574.03x = 91,506,090.02
  5. Step 5: Solve for x
    x = 91,506,090.02/14,574.03
  6. Step 6: Final answer
    x = 6,278.71

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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.