Home / 17,215.81-25,823.55-5,529.03

Finding the Fourth Proportional to 17,215.81, 25,823.55 and 5,529.03

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Solution

The fourth proportional to 17,215.81, 25,823.55 and 5,529.03 is: 8,293.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.81 : 25,823.55 = 5,529.03 : x
  2. Step 2: Convert to fraction form
    17,215.81/25,823.55 = 5,529.03/x
  3. Step 3: Cross multiply
    17,215.81x = 25,823.55 × 5,529.03
  4. Step 4: Simplify right side
    17,215.81x = 142,779,182.66
  5. Step 5: Solve for x
    x = 142,779,182.66/17,215.81
  6. Step 6: Final answer
    x = 8,293.49

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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.