Home / 15,822.95-21,836.59-8,750.03

Finding the Fourth Proportional to 15,822.95, 21,836.59 and 8,750.03

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Solution

The fourth proportional to 15,822.95, 21,836.59 and 8,750.03 is: 12,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,822.95 : 21,836.59 = 8,750.03 : x
  2. Step 2: Convert to fraction form
    15,822.95/21,836.59 = 8,750.03/x
  3. Step 3: Cross multiply
    15,822.95x = 21,836.59 × 8,750.03
  4. Step 4: Simplify right side
    15,822.95x = 191,070,686.54
  5. Step 5: Solve for x
    x = 191,070,686.54/15,822.95
  6. Step 6: Final answer
    x = 12,075.55

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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.