Home / 15,242.80-22,858.40-5,380.24

Finding the Fourth Proportional to 15,242.80, 22,858.40 and 5,380.24

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Solution

The fourth proportional to 15,242.80, 22,858.40 and 5,380.24 is: 8,068.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,242.80 : 22,858.40 = 5,380.24 : x
  2. Step 2: Convert to fraction form
    15,242.80/22,858.40 = 5,380.24/x
  3. Step 3: Cross multiply
    15,242.80x = 22,858.40 × 5,380.24
  4. Step 4: Simplify right side
    15,242.80x = 122,983,678.02
  5. Step 5: Solve for x
    x = 122,983,678.02/15,242.80
  6. Step 6: Final answer
    x = 8,068.31

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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.