Home / 10,074.48-15,116.64-9,199.68

Finding the Fourth Proportional to 10,074.48, 15,116.64 and 9,199.68

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Solution

The fourth proportional to 10,074.48, 15,116.64 and 9,199.68 is: 13,804.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.48 : 15,116.64 = 9,199.68 : x
  2. Step 2: Convert to fraction form
    10,074.48/15,116.64 = 9,199.68/x
  3. Step 3: Cross multiply
    10,074.48x = 15,116.64 × 9,199.68
  4. Step 4: Simplify right side
    10,074.48x = 139,068,250.68
  5. Step 5: Solve for x
    x = 139,068,250.68/10,074.48
  6. Step 6: Final answer
    x = 13,804.01

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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.