Home / 15,387.80-23,081.68-4,858.88

Finding the Fourth Proportional to 15,387.80, 23,081.68 and 4,858.88

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Solution

The fourth proportional to 15,387.80, 23,081.68 and 4,858.88 is: 7,288.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,387.80 : 23,081.68 = 4,858.88 : x
  2. Step 2: Convert to fraction form
    15,387.80/23,081.68 = 4,858.88/x
  3. Step 3: Cross multiply
    15,387.80x = 23,081.68 × 4,858.88
  4. Step 4: Simplify right side
    15,387.80x = 112,151,113.32
  5. Step 5: Solve for x
    x = 112,151,113.32/15,387.80
  6. Step 6: Final answer
    x = 7,288.31

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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.