Home / 14,206.90-21,312.60-4,847.80

Finding the Fourth Proportional to 14,206.90, 21,312.60 and 4,847.80

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Solution

The fourth proportional to 14,206.90, 21,312.60 and 4,847.80 is: 7,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.90 : 21,312.60 = 4,847.80 : x
  2. Step 2: Convert to fraction form
    14,206.90/21,312.60 = 4,847.80/x
  3. Step 3: Cross multiply
    14,206.90x = 21,312.60 × 4,847.80
  4. Step 4: Simplify right side
    14,206.90x = 103,319,222.28
  5. Step 5: Solve for x
    x = 103,319,222.28/14,206.90
  6. Step 6: Final answer
    x = 7,272.47

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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.