Home / 15,439.24-23,159.82-6,205

Finding the Fourth Proportional to 15,439.24, 23,159.82 and 6,205

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Solution

The fourth proportional to 15,439.24, 23,159.82 and 6,205 is: 9,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.24 : 23,159.82 = 6,205 : x
  2. Step 2: Convert to fraction form
    15,439.24/23,159.82 = 6,205/x
  3. Step 3: Cross multiply
    15,439.24x = 23,159.82 × 6,205
  4. Step 4: Simplify right side
    15,439.24x = 143,706,683.10
  5. Step 5: Solve for x
    x = 143,706,683.10/15,439.24
  6. Step 6: Final answer
    x = 9,307.89

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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.