Home / 16,987.36-23,441.76-9,434.17

Finding the Fourth Proportional to 16,987.36, 23,441.76 and 9,434.17

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Solution

The fourth proportional to 16,987.36, 23,441.76 and 9,434.17 is: 13,018.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.36 : 23,441.76 = 9,434.17 : x
  2. Step 2: Convert to fraction form
    16,987.36/23,441.76 = 9,434.17/x
  3. Step 3: Cross multiply
    16,987.36x = 23,441.76 × 9,434.17
  4. Step 4: Simplify right side
    16,987.36x = 221,153,548.94
  5. Step 5: Solve for x
    x = 221,153,548.94/16,987.36
  6. Step 6: Final answer
    x = 13,018.71

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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.