Home / 14,040.84-21,060.18-4,178.28

Finding the Fourth Proportional to 14,040.84, 21,060.18 and 4,178.28

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Solution

The fourth proportional to 14,040.84, 21,060.18 and 4,178.28 is: 6,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.84 : 21,060.18 = 4,178.28 : x
  2. Step 2: Convert to fraction form
    14,040.84/21,060.18 = 4,178.28/x
  3. Step 3: Cross multiply
    14,040.84x = 21,060.18 × 4,178.28
  4. Step 4: Simplify right side
    14,040.84x = 87,995,328.89
  5. Step 5: Solve for x
    x = 87,995,328.89/14,040.84
  6. Step 6: Final answer
    x = 6,267.10

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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.