Home / 9,646.20-14,501.70-8,220.60

Finding the Fourth Proportional to 9,646.20, 14,501.70 and 8,220.60

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Solution

The fourth proportional to 9,646.20, 14,501.70 and 8,220.60 is: 12,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,646.20 : 14,501.70 = 8,220.60 : x
  2. Step 2: Convert to fraction form
    9,646.20/14,501.70 = 8,220.60/x
  3. Step 3: Cross multiply
    9,646.20x = 14,501.70 × 8,220.60
  4. Step 4: Simplify right side
    9,646.20x = 119,212,675.02
  5. Step 5: Solve for x
    x = 119,212,675.02/9,646.20
  6. Step 6: Final answer
    x = 12,358.51

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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.