Home / 14,574.47-21,861.72-5,809.46

Finding the Fourth Proportional to 14,574.47, 21,861.72 and 5,809.46

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Solution

The fourth proportional to 14,574.47, 21,861.72 and 5,809.46 is: 8,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.47 : 21,861.72 = 5,809.46 : x
  2. Step 2: Convert to fraction form
    14,574.47/21,861.72 = 5,809.46/x
  3. Step 3: Cross multiply
    14,574.47x = 21,861.72 × 5,809.46
  4. Step 4: Simplify right side
    14,574.47x = 127,004,678.56
  5. Step 5: Solve for x
    x = 127,004,678.56/14,574.47
  6. Step 6: Final answer
    x = 8,714.19

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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.