Home / 10,981.36-16,465.56-4,056.40

Finding the Fourth Proportional to 10,981.36, 16,465.56 and 4,056.40

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Solution

The fourth proportional to 10,981.36, 16,465.56 and 4,056.40 is: 6,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.36 : 16,465.56 = 4,056.40 : x
  2. Step 2: Convert to fraction form
    10,981.36/16,465.56 = 4,056.40/x
  3. Step 3: Cross multiply
    10,981.36x = 16,465.56 × 4,056.40
  4. Step 4: Simplify right side
    10,981.36x = 66,790,897.58
  5. Step 5: Solve for x
    x = 66,790,897.58/10,981.36
  6. Step 6: Final answer
    x = 6,082.21

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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.