Home / 9,459.60-14,187.48-8,991.24

Finding the Fourth Proportional to 9,459.60, 14,187.48 and 8,991.24

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Solution

The fourth proportional to 9,459.60, 14,187.48 and 8,991.24 is: 13,485.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.60 : 14,187.48 = 8,991.24 : x
  2. Step 2: Convert to fraction form
    9,459.60/14,187.48 = 8,991.24/x
  3. Step 3: Cross multiply
    9,459.60x = 14,187.48 × 8,991.24
  4. Step 4: Simplify right side
    9,459.60x = 127,563,037.68
  5. Step 5: Solve for x
    x = 127,563,037.68/9,459.60
  6. Step 6: Final answer
    x = 13,485.04

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Double scale
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Similar ratio
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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.