Home / 15,642.42-23,460.80-6,282.06

Finding the Fourth Proportional to 15,642.42, 23,460.80 and 6,282.06

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Solution

The fourth proportional to 15,642.42, 23,460.80 and 6,282.06 is: 9,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.42 : 23,460.80 = 6,282.06 : x
  2. Step 2: Convert to fraction form
    15,642.42/23,460.80 = 6,282.06/x
  3. Step 3: Cross multiply
    15,642.42x = 23,460.80 × 6,282.06
  4. Step 4: Simplify right side
    15,642.42x = 147,382,121.84
  5. Step 5: Solve for x
    x = 147,382,121.84/15,642.42
  6. Step 6: Final answer
    x = 9,421.95

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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.