Home / 14,325.42-21,479.48-6,426.50

Finding the Fourth Proportional to 14,325.42, 21,479.48 and 6,426.50

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Solution

The fourth proportional to 14,325.42, 21,479.48 and 6,426.50 is: 9,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.42 : 21,479.48 = 6,426.50 : x
  2. Step 2: Convert to fraction form
    14,325.42/21,479.48 = 6,426.50/x
  3. Step 3: Cross multiply
    14,325.42x = 21,479.48 × 6,426.50
  4. Step 4: Simplify right side
    14,325.42x = 138,037,878.22
  5. Step 5: Solve for x
    x = 138,037,878.22/14,325.42
  6. Step 6: Final answer
    x = 9,635.87

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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.