Home / 17,527.50-26,289.08-7,139.34

Finding the Fourth Proportional to 17,527.50, 26,289.08 and 7,139.34

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Solution

The fourth proportional to 17,527.50, 26,289.08 and 7,139.34 is: 10,708.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,527.50 : 26,289.08 = 7,139.34 : x
  2. Step 2: Convert to fraction form
    17,527.50/26,289.08 = 7,139.34/x
  3. Step 3: Cross multiply
    17,527.50x = 26,289.08 × 7,139.34
  4. Step 4: Simplify right side
    17,527.50x = 187,686,680.41
  5. Step 5: Solve for x
    x = 187,686,680.41/17,527.50
  6. Step 6: Final answer
    x = 10,708.13

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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.