Home / 15,926.61-23,890.45-4,239.84

Finding the Fourth Proportional to 15,926.61, 23,890.45 and 4,239.84

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Solution

The fourth proportional to 15,926.61, 23,890.45 and 4,239.84 is: 6,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926.61 : 23,890.45 = 4,239.84 : x
  2. Step 2: Convert to fraction form
    15,926.61/23,890.45 = 4,239.84/x
  3. Step 3: Cross multiply
    15,926.61x = 23,890.45 × 4,239.84
  4. Step 4: Simplify right side
    15,926.61x = 101,291,685.53
  5. Step 5: Solve for x
    x = 101,291,685.53/15,926.61
  6. Step 6: Final answer
    x = 6,359.90

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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.