Home / 15,220.37-21,017.49-9,564.95

Finding the Fourth Proportional to 15,220.37, 21,017.49 and 9,564.95

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Solution

The fourth proportional to 15,220.37, 21,017.49 and 9,564.95 is: 13,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,220.37 : 21,017.49 = 9,564.95 : x
  2. Step 2: Convert to fraction form
    15,220.37/21,017.49 = 9,564.95/x
  3. Step 3: Cross multiply
    15,220.37x = 21,017.49 × 9,564.95
  4. Step 4: Simplify right side
    15,220.37x = 201,031,240.98
  5. Step 5: Solve for x
    x = 201,031,240.98/15,220.37
  6. Step 6: Final answer
    x = 13,208.04

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1.5x scale

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.