Home / 14,655.45-21,984.71-4,267.20

Finding the Fourth Proportional to 14,655.45, 21,984.71 and 4,267.20

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Solution

The fourth proportional to 14,655.45, 21,984.71 and 4,267.20 is: 6,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.45 : 21,984.71 = 4,267.20 : x
  2. Step 2: Convert to fraction form
    14,655.45/21,984.71 = 4,267.20/x
  3. Step 3: Cross multiply
    14,655.45x = 21,984.71 × 4,267.20
  4. Step 4: Simplify right side
    14,655.45x = 93,813,133.18
  5. Step 5: Solve for x
    x = 93,813,133.18/14,655.45
  6. Step 6: Final answer
    x = 6,401.25

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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.