Home / 16,515.36-22,790.40-9,442.56

Finding the Fourth Proportional to 16,515.36, 22,790.40 and 9,442.56

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Solution

The fourth proportional to 16,515.36, 22,790.40 and 9,442.56 is: 13,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.36 : 22,790.40 = 9,442.56 : x
  2. Step 2: Convert to fraction form
    16,515.36/22,790.40 = 9,442.56/x
  3. Step 3: Cross multiply
    16,515.36x = 22,790.40 × 9,442.56
  4. Step 4: Simplify right side
    16,515.36x = 215,199,719.42
  5. Step 5: Solve for x
    x = 215,199,719.42/16,515.36
  6. Step 6: Final answer
    x = 13,030.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.