Home / 13,265.46-19,870.26-9,085.86

Finding the Fourth Proportional to 13,265.46, 19,870.26 and 9,085.86

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Solution

The fourth proportional to 13,265.46, 19,870.26 and 9,085.86 is: 13,609.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.46 : 19,870.26 = 9,085.86 : x
  2. Step 2: Convert to fraction form
    13,265.46/19,870.26 = 9,085.86/x
  3. Step 3: Cross multiply
    13,265.46x = 19,870.26 × 9,085.86
  4. Step 4: Simplify right side
    13,265.46x = 180,538,400.52
  5. Step 5: Solve for x
    x = 180,538,400.52/13,265.46
  6. Step 6: Final answer
    x = 13,609.66

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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.