Home / 14,420.43-21,630.81-4,560.57

Finding the Fourth Proportional to 14,420.43, 21,630.81 and 4,560.57

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Solution

The fourth proportional to 14,420.43, 21,630.81 and 4,560.57 is: 6,840.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.43 : 21,630.81 = 4,560.57 : x
  2. Step 2: Convert to fraction form
    14,420.43/21,630.81 = 4,560.57/x
  3. Step 3: Cross multiply
    14,420.43x = 21,630.81 × 4,560.57
  4. Step 4: Simplify right side
    14,420.43x = 98,648,823.16
  5. Step 5: Solve for x
    x = 98,648,823.16/14,420.43
  6. Step 6: Final answer
    x = 6,840.91

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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.