Home / 23,177.50-31,985.58-13,107.45

Finding the Fourth Proportional to 23,177.50, 31,985.58 and 13,107.45

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Solution

The fourth proportional to 23,177.50, 31,985.58 and 13,107.45 is: 18,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,177.50 : 31,985.58 = 13,107.45 : x
  2. Step 2: Convert to fraction form
    23,177.50/31,985.58 = 13,107.45/x
  3. Step 3: Cross multiply
    23,177.50x = 31,985.58 × 13,107.45
  4. Step 4: Simplify right side
    23,177.50x = 419,249,289.79
  5. Step 5: Solve for x
    x = 419,249,289.79/23,177.50
  6. Step 6: Final answer
    x = 18,088.63

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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.