Home / 10,740.16-16,110.60-8,672.32

Finding the Fourth Proportional to 10,740.16, 16,110.60 and 8,672.32

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Solution

The fourth proportional to 10,740.16, 16,110.60 and 8,672.32 is: 13,008.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740.16 : 16,110.60 = 8,672.32 : x
  2. Step 2: Convert to fraction form
    10,740.16/16,110.60 = 8,672.32/x
  3. Step 3: Cross multiply
    10,740.16x = 16,110.60 × 8,672.32
  4. Step 4: Simplify right side
    10,740.16x = 139,716,278.59
  5. Step 5: Solve for x
    x = 139,716,278.59/10,740.16
  6. Step 6: Final answer
    x = 13,008.77

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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.