Home / 17,002.61-25,503.92-5,315.93

Finding the Fourth Proportional to 17,002.61, 25,503.92 and 5,315.93

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Solution

The fourth proportional to 17,002.61, 25,503.92 and 5,315.93 is: 7,973.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,002.61 : 25,503.92 = 5,315.93 : x
  2. Step 2: Convert to fraction form
    17,002.61/25,503.92 = 5,315.93/x
  3. Step 3: Cross multiply
    17,002.61x = 25,503.92 × 5,315.93
  4. Step 4: Simplify right side
    17,002.61x = 135,577,053.45
  5. Step 5: Solve for x
    x = 135,577,053.45/17,002.61
  6. Step 6: Final answer
    x = 7,973.90

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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.