Home / 13,861.53-19,128.63-7,573.95

Finding the Fourth Proportional to 13,861.53, 19,128.63 and 7,573.95

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Solution

The fourth proportional to 13,861.53, 19,128.63 and 7,573.95 is: 10,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.53 : 19,128.63 = 7,573.95 : x
  2. Step 2: Convert to fraction form
    13,861.53/19,128.63 = 7,573.95/x
  3. Step 3: Cross multiply
    13,861.53x = 19,128.63 × 7,573.95
  4. Step 4: Simplify right side
    13,861.53x = 144,879,287.19
  5. Step 5: Solve for x
    x = 144,879,287.19/13,861.53
  6. Step 6: Final answer
    x = 10,451.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.