Home / 10,076.95-15,083.02-5,385.21

Finding the Fourth Proportional to 10,076.95, 15,083.02 and 5,385.21

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Solution

The fourth proportional to 10,076.95, 15,083.02 and 5,385.21 is: 8,060.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.95 : 15,083.02 = 5,385.21 : x
  2. Step 2: Convert to fraction form
    10,076.95/15,083.02 = 5,385.21/x
  3. Step 3: Cross multiply
    10,076.95x = 15,083.02 × 5,385.21
  4. Step 4: Simplify right side
    10,076.95x = 81,225,230.13
  5. Step 5: Solve for x
    x = 81,225,230.13/10,076.95
  6. Step 6: Final answer
    x = 8,060.50

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1.5x scale

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.