Home / 14,689.21-22,015.10-6,880.81

Finding the Fourth Proportional to 14,689.21, 22,015.10 and 6,880.81

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Solution

The fourth proportional to 14,689.21, 22,015.10 and 6,880.81 is: 10,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689.21 : 22,015.10 = 6,880.81 : x
  2. Step 2: Convert to fraction form
    14,689.21/22,015.10 = 6,880.81/x
  3. Step 3: Cross multiply
    14,689.21x = 22,015.10 × 6,880.81
  4. Step 4: Simplify right side
    14,689.21x = 151,481,685.83
  5. Step 5: Solve for x
    x = 151,481,685.83/14,689.21
  6. Step 6: Final answer
    x = 10,312.45

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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.