Home / 12,527.79-17,288.01-7,222.29

Finding the Fourth Proportional to 12,527.79, 17,288.01 and 7,222.29

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Solution

The fourth proportional to 12,527.79, 17,288.01 and 7,222.29 is: 9,966.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.79 : 17,288.01 = 7,222.29 : x
  2. Step 2: Convert to fraction form
    12,527.79/17,288.01 = 7,222.29/x
  3. Step 3: Cross multiply
    12,527.79x = 17,288.01 × 7,222.29
  4. Step 4: Simplify right side
    12,527.79x = 124,859,021.74
  5. Step 5: Solve for x
    x = 124,859,021.74/12,527.79
  6. Step 6: Final answer
    x = 9,966.56

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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.