Home / 14,547.34-21,828.84-5,782.34

Finding the Fourth Proportional to 14,547.34, 21,828.84 and 5,782.34

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Solution

The fourth proportional to 14,547.34, 21,828.84 and 5,782.34 is: 8,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,547.34 : 21,828.84 = 5,782.34 : x
  2. Step 2: Convert to fraction form
    14,547.34/21,828.84 = 5,782.34/x
  3. Step 3: Cross multiply
    14,547.34x = 21,828.84 × 5,782.34
  4. Step 4: Simplify right side
    14,547.34x = 126,221,774.69
  5. Step 5: Solve for x
    x = 126,221,774.69/14,547.34
  6. Step 6: Final answer
    x = 8,676.62

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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.