Home / 15,322.86-23,000.40-13,579.04

Finding the Fourth Proportional to 15,322.86, 23,000.40 and 13,579.04

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Solution

The fourth proportional to 15,322.86, 23,000.40 and 13,579.04 is: 20,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322.86 : 23,000.40 = 13,579.04 : x
  2. Step 2: Convert to fraction form
    15,322.86/23,000.40 = 13,579.04/x
  3. Step 3: Cross multiply
    15,322.86x = 23,000.40 × 13,579.04
  4. Step 4: Simplify right side
    15,322.86x = 312,323,409.12
  5. Step 5: Solve for x
    x = 312,323,409.12/15,322.86
  6. Step 6: Final answer
    x = 20,382.84

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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.