Home / 17,132.90-25,701.15-5,443.40

Finding the Fourth Proportional to 17,132.90, 25,701.15 and 5,443.40

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Solution

The fourth proportional to 17,132.90, 25,701.15 and 5,443.40 is: 8,165.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,132.90 : 25,701.15 = 5,443.40 : x
  2. Step 2: Convert to fraction form
    17,132.90/25,701.15 = 5,443.40/x
  3. Step 3: Cross multiply
    17,132.90x = 25,701.15 × 5,443.40
  4. Step 4: Simplify right side
    17,132.90x = 139,901,639.91
  5. Step 5: Solve for x
    x = 139,901,639.91/17,132.90
  6. Step 6: Final answer
    x = 8,165.67

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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.