Home / 14,475.74-21,810.92-13,090.64

Finding the Fourth Proportional to 14,475.74, 21,810.92 and 13,090.64

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Solution

The fourth proportional to 14,475.74, 21,810.92 and 13,090.64 is: 19,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.74 : 21,810.92 = 13,090.64 : x
  2. Step 2: Convert to fraction form
    14,475.74/21,810.92 = 13,090.64/x
  3. Step 3: Cross multiply
    14,475.74x = 21,810.92 × 13,090.64
  4. Step 4: Simplify right side
    14,475.74x = 285,518,727.28
  5. Step 5: Solve for x
    x = 285,518,727.28/14,475.74
  6. Step 6: Final answer
    x = 19,723.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.