Home / 15,579.95-23,378.15-9,010.78

Finding the Fourth Proportional to 15,579.95, 23,378.15 and 9,010.78

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Solution

The fourth proportional to 15,579.95, 23,378.15 and 9,010.78 is: 13,520.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.95 : 23,378.15 = 9,010.78 : x
  2. Step 2: Convert to fraction form
    15,579.95/23,378.15 = 9,010.78/x
  3. Step 3: Cross multiply
    15,579.95x = 23,378.15 × 9,010.78
  4. Step 4: Simplify right side
    15,579.95x = 210,655,330.54
  5. Step 5: Solve for x
    x = 210,655,330.54/15,579.95
  6. Step 6: Final answer
    x = 13,520.93

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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.