Home / 15,267.49-21,069.33-8,553

Finding the Fourth Proportional to 15,267.49, 21,069.33 and 8,553

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Solution

The fourth proportional to 15,267.49, 21,069.33 and 8,553 is: 11,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,267.49 : 21,069.33 = 8,553 : x
  2. Step 2: Convert to fraction form
    15,267.49/21,069.33 = 8,553/x
  3. Step 3: Cross multiply
    15,267.49x = 21,069.33 × 8,553
  4. Step 4: Simplify right side
    15,267.49x = 180,205,979.49
  5. Step 5: Solve for x
    x = 180,205,979.49/15,267.49
  6. Step 6: Final answer
    x = 11,803.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.