Home / 15,779.82-23,669.64-5,912.10

Finding the Fourth Proportional to 15,779.82, 23,669.64 and 5,912.10

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Solution

The fourth proportional to 15,779.82, 23,669.64 and 5,912.10 is: 8,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779.82 : 23,669.64 = 5,912.10 : x
  2. Step 2: Convert to fraction form
    15,779.82/23,669.64 = 5,912.10/x
  3. Step 3: Cross multiply
    15,779.82x = 23,669.64 × 5,912.10
  4. Step 4: Simplify right side
    15,779.82x = 139,937,278.64
  5. Step 5: Solve for x
    x = 139,937,278.64/15,779.82
  6. Step 6: Final answer
    x = 8,868.12

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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.