Home / 10,715.64-16,079.53-5,785.17

Finding the Fourth Proportional to 10,715.64, 16,079.53 and 5,785.17

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Solution

The fourth proportional to 10,715.64, 16,079.53 and 5,785.17 is: 8,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.64 : 16,079.53 = 5,785.17 : x
  2. Step 2: Convert to fraction form
    10,715.64/16,079.53 = 5,785.17/x
  3. Step 3: Cross multiply
    10,715.64x = 16,079.53 × 5,785.17
  4. Step 4: Simplify right side
    10,715.64x = 93,022,814.57
  5. Step 5: Solve for x
    x = 93,022,814.57/10,715.64
  6. Step 6: Final answer
    x = 8,681.03

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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.