Home / 17,119.55-25,681.05-4,639.78

Finding the Fourth Proportional to 17,119.55, 25,681.05 and 4,639.78

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Solution

The fourth proportional to 17,119.55, 25,681.05 and 4,639.78 is: 6,960.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,119.55 : 25,681.05 = 4,639.78 : x
  2. Step 2: Convert to fraction form
    17,119.55/25,681.05 = 4,639.78/x
  3. Step 3: Cross multiply
    17,119.55x = 25,681.05 × 4,639.78
  4. Step 4: Simplify right side
    17,119.55x = 119,154,454.27
  5. Step 5: Solve for x
    x = 119,154,454.27/17,119.55
  6. Step 6: Final answer
    x = 6,960.14

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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.