Home / 22,598.40-31,185.23-12,526.68

Finding the Fourth Proportional to 22,598.40, 31,185.23 and 12,526.68

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Solution

The fourth proportional to 22,598.40, 31,185.23 and 12,526.68 is: 17,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,598.40 : 31,185.23 = 12,526.68 : x
  2. Step 2: Convert to fraction form
    22,598.40/31,185.23 = 12,526.68/x
  3. Step 3: Cross multiply
    22,598.40x = 31,185.23 × 12,526.68
  4. Step 4: Simplify right side
    22,598.40x = 390,647,334.30
  5. Step 5: Solve for x
    x = 390,647,334.30/22,598.40
  6. Step 6: Final answer
    x = 17,286.50

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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.