Home / 14,226.21-19,632.15-7,938.57

Finding the Fourth Proportional to 14,226.21, 19,632.15 and 7,938.57

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Solution

The fourth proportional to 14,226.21, 19,632.15 and 7,938.57 is: 10,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.21 : 19,632.15 = 7,938.57 : x
  2. Step 2: Convert to fraction form
    14,226.21/19,632.15 = 7,938.57/x
  3. Step 3: Cross multiply
    14,226.21x = 19,632.15 × 7,938.57
  4. Step 4: Simplify right side
    14,226.21x = 155,851,197.03
  5. Step 5: Solve for x
    x = 155,851,197.03/14,226.21
  6. Step 6: Final answer
    x = 10,955.22

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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.