Home / 17,405.40-26,102.60-5,715.90

Finding the Fourth Proportional to 17,405.40, 26,102.60 and 5,715.90

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Solution

The fourth proportional to 17,405.40, 26,102.60 and 5,715.90 is: 8,572.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.40 : 26,102.60 = 5,715.90 : x
  2. Step 2: Convert to fraction form
    17,405.40/26,102.60 = 5,715.90/x
  3. Step 3: Cross multiply
    17,405.40x = 26,102.60 × 5,715.90
  4. Step 4: Simplify right side
    17,405.40x = 149,199,851.34
  5. Step 5: Solve for x
    x = 149,199,851.34/17,405.40
  6. Step 6: Final answer
    x = 8,572.04

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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.