Home / 17,319.04-25,988.26-6,931.60

Finding the Fourth Proportional to 17,319.04, 25,988.26 and 6,931.60

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Solution

The fourth proportional to 17,319.04, 25,988.26 and 6,931.60 is: 10,401.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,319.04 : 25,988.26 = 6,931.60 : x
  2. Step 2: Convert to fraction form
    17,319.04/25,988.26 = 6,931.60/x
  3. Step 3: Cross multiply
    17,319.04x = 25,988.26 × 6,931.60
  4. Step 4: Simplify right side
    17,319.04x = 180,140,223.02
  5. Step 5: Solve for x
    x = 180,140,223.02/17,319.04
  6. Step 6: Final answer
    x = 10,401.28

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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.