Home / 23,167.12-31,970.64-12,556.84

Finding the Fourth Proportional to 23,167.12, 31,970.64 and 12,556.84

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Solution

The fourth proportional to 23,167.12, 31,970.64 and 12,556.84 is: 17,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,167.12 : 31,970.64 = 12,556.84 : x
  2. Step 2: Convert to fraction form
    23,167.12/31,970.64 = 12,556.84/x
  3. Step 3: Cross multiply
    23,167.12x = 31,970.64 × 12,556.84
  4. Step 4: Simplify right side
    23,167.12x = 401,450,211.18
  5. Step 5: Solve for x
    x = 401,450,211.18/23,167.12
  6. Step 6: Final answer
    x = 17,328.45

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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.