Home / 15,421.59-23,136.03-6,656.58

Finding the Fourth Proportional to 15,421.59, 23,136.03 and 6,656.58

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Solution

The fourth proportional to 15,421.59, 23,136.03 and 6,656.58 is: 9,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.59 : 23,136.03 = 6,656.58 : x
  2. Step 2: Convert to fraction form
    15,421.59/23,136.03 = 6,656.58/x
  3. Step 3: Cross multiply
    15,421.59x = 23,136.03 × 6,656.58
  4. Step 4: Simplify right side
    15,421.59x = 154,006,834.58
  5. Step 5: Solve for x
    x = 154,006,834.58/15,421.59
  6. Step 6: Final answer
    x = 9,986.44

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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.