Home / 12,527.85-17,284.50-7,221.93

Finding the Fourth Proportional to 12,527.85, 17,284.50 and 7,221.93

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Solution

The fourth proportional to 12,527.85, 17,284.50 and 7,221.93 is: 9,964.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.85 : 17,284.50 = 7,221.93 : x
  2. Step 2: Convert to fraction form
    12,527.85/17,284.50 = 7,221.93/x
  3. Step 3: Cross multiply
    12,527.85x = 17,284.50 × 7,221.93
  4. Step 4: Simplify right side
    12,527.85x = 124,827,449.09
  5. Step 5: Solve for x
    x = 124,827,449.09/12,527.85
  6. Step 6: Final answer
    x = 9,964.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.