Home / 18,077.64-27,113.66-4,931.08

Finding the Fourth Proportional to 18,077.64, 27,113.66 and 4,931.08

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Solution

The fourth proportional to 18,077.64, 27,113.66 and 4,931.08 is: 7,395.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.64 : 27,113.66 = 4,931.08 : x
  2. Step 2: Convert to fraction form
    18,077.64/27,113.66 = 4,931.08/x
  3. Step 3: Cross multiply
    18,077.64x = 27,113.66 × 4,931.08
  4. Step 4: Simplify right side
    18,077.64x = 133,699,626.55
  5. Step 5: Solve for x
    x = 133,699,626.55/18,077.64
  6. Step 6: Final answer
    x = 7,395.86

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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.