Home / 14,300.80-21,457.60-6,505.60

Finding the Fourth Proportional to 14,300.80, 21,457.60 and 6,505.60

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Solution

The fourth proportional to 14,300.80, 21,457.60 and 6,505.60 is: 9,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,300.80 : 21,457.60 = 6,505.60 : x
  2. Step 2: Convert to fraction form
    14,300.80/21,457.60 = 6,505.60/x
  3. Step 3: Cross multiply
    14,300.80x = 21,457.60 × 6,505.60
  4. Step 4: Simplify right side
    14,300.80x = 139,594,562.56
  5. Step 5: Solve for x
    x = 139,594,562.56/14,300.80
  6. Step 6: Final answer
    x = 9,761.31

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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.