Home / 15,885.48-23,820.50-4,790.10

Finding the Fourth Proportional to 15,885.48, 23,820.50 and 4,790.10

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Solution

The fourth proportional to 15,885.48, 23,820.50 and 4,790.10 is: 7,182.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.48 : 23,820.50 = 4,790.10 : x
  2. Step 2: Convert to fraction form
    15,885.48/23,820.50 = 4,790.10/x
  3. Step 3: Cross multiply
    15,885.48x = 23,820.50 × 4,790.10
  4. Step 4: Simplify right side
    15,885.48x = 114,102,577.05
  5. Step 5: Solve for x
    x = 114,102,577.05/15,885.48
  6. Step 6: Final answer
    x = 7,182.82

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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.