Home / 14,943.42-22,415.19-6,621.21

Finding the Fourth Proportional to 14,943.42, 22,415.19 and 6,621.21

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Solution

The fourth proportional to 14,943.42, 22,415.19 and 6,621.21 is: 9,931.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.42 : 22,415.19 = 6,621.21 : x
  2. Step 2: Convert to fraction form
    14,943.42/22,415.19 = 6,621.21/x
  3. Step 3: Cross multiply
    14,943.42x = 22,415.19 × 6,621.21
  4. Step 4: Simplify right side
    14,943.42x = 148,415,680.18
  5. Step 5: Solve for x
    x = 148,415,680.18/14,943.42
  6. Step 6: Final answer
    x = 9,931.84

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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.