Home / 16,689.20-25,024.75-7,318.25

Finding the Fourth Proportional to 16,689.20, 25,024.75 and 7,318.25

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Solution

The fourth proportional to 16,689.20, 25,024.75 and 7,318.25 is: 10,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,689.20 : 25,024.75 = 7,318.25 : x
  2. Step 2: Convert to fraction form
    16,689.20/25,024.75 = 7,318.25/x
  3. Step 3: Cross multiply
    16,689.20x = 25,024.75 × 7,318.25
  4. Step 4: Simplify right side
    16,689.20x = 183,137,327.11
  5. Step 5: Solve for x
    x = 183,137,327.11/16,689.20
  6. Step 6: Final answer
    x = 10,973.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.