Home / 14,079.63-21,118.64-4,219.10

Finding the Fourth Proportional to 14,079.63, 21,118.64 and 4,219.10

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Solution

The fourth proportional to 14,079.63, 21,118.64 and 4,219.10 is: 6,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.63 : 21,118.64 = 4,219.10 : x
  2. Step 2: Convert to fraction form
    14,079.63/21,118.64 = 4,219.10/x
  3. Step 3: Cross multiply
    14,079.63x = 21,118.64 × 4,219.10
  4. Step 4: Simplify right side
    14,079.63x = 89,101,527.34
  5. Step 5: Solve for x
    x = 89,101,527.34/14,079.63
  6. Step 6: Final answer
    x = 6,328.40

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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.