Home / 16,987.16-23,442.36-9,433.64

Finding the Fourth Proportional to 16,987.16, 23,442.36 and 9,433.64

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Solution

The fourth proportional to 16,987.16, 23,442.36 and 9,433.64 is: 13,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.16 : 23,442.36 = 9,433.64 : x
  2. Step 2: Convert to fraction form
    16,987.16/23,442.36 = 9,433.64/x
  3. Step 3: Cross multiply
    16,987.16x = 23,442.36 × 9,433.64
  4. Step 4: Simplify right side
    16,987.16x = 221,146,784.99
  5. Step 5: Solve for x
    x = 221,146,784.99/16,987.16
  6. Step 6: Final answer
    x = 13,018.47

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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.