Home / 17,931.36-26,880.64-7,543.84

Finding the Fourth Proportional to 17,931.36, 26,880.64 and 7,543.84

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Solution

The fourth proportional to 17,931.36, 26,880.64 and 7,543.84 is: 11,308.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,931.36 : 26,880.64 = 7,543.84 : x
  2. Step 2: Convert to fraction form
    17,931.36/26,880.64 = 7,543.84/x
  3. Step 3: Cross multiply
    17,931.36x = 26,880.64 × 7,543.84
  4. Step 4: Simplify right side
    17,931.36x = 202,783,247.26
  5. Step 5: Solve for x
    x = 202,783,247.26/17,931.36
  6. Step 6: Final answer
    x = 11,308.86

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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.