Home / 10,836.32-16,280.40-6,948.32

Finding the Fourth Proportional to 10,836.32, 16,280.40 and 6,948.32

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Solution

The fourth proportional to 10,836.32, 16,280.40 and 6,948.32 is: 10,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.32 : 16,280.40 = 6,948.32 : x
  2. Step 2: Convert to fraction form
    10,836.32/16,280.40 = 6,948.32/x
  3. Step 3: Cross multiply
    10,836.32x = 16,280.40 × 6,948.32
  4. Step 4: Simplify right side
    10,836.32x = 113,121,428.93
  5. Step 5: Solve for x
    x = 113,121,428.93/10,836.32
  6. Step 6: Final answer
    x = 10,439.10

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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.