Home / 15,391.11-23,077.41-10,445.76

Finding the Fourth Proportional to 15,391.11, 23,077.41 and 10,445.76

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Solution

The fourth proportional to 15,391.11, 23,077.41 and 10,445.76 is: 15,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391.11 : 23,077.41 = 10,445.76 : x
  2. Step 2: Convert to fraction form
    15,391.11/23,077.41 = 10,445.76/x
  3. Step 3: Cross multiply
    15,391.11x = 23,077.41 × 10,445.76
  4. Step 4: Simplify right side
    15,391.11x = 241,061,047.11
  5. Step 5: Solve for x
    x = 241,061,047.11/15,391.11
  6. Step 6: Final answer
    x = 15,662.35

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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.