Home / 15,412.80-23,124.04-6,651.84

Finding the Fourth Proportional to 15,412.80, 23,124.04 and 6,651.84

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Solution

The fourth proportional to 15,412.80, 23,124.04 and 6,651.84 is: 9,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412.80 : 23,124.04 = 6,651.84 : x
  2. Step 2: Convert to fraction form
    15,412.80/23,124.04 = 6,651.84/x
  3. Step 3: Cross multiply
    15,412.80x = 23,124.04 × 6,651.84
  4. Step 4: Simplify right side
    15,412.80x = 153,817,414.23
  5. Step 5: Solve for x
    x = 153,817,414.23/15,412.80
  6. Step 6: Final answer
    x = 9,979.85

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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.