Home / 14,150.28-19,527.78-7,863.04

Finding the Fourth Proportional to 14,150.28, 19,527.78 and 7,863.04

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Solution

The fourth proportional to 14,150.28, 19,527.78 and 7,863.04 is: 10,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.28 : 19,527.78 = 7,863.04 : x
  2. Step 2: Convert to fraction form
    14,150.28/19,527.78 = 7,863.04/x
  3. Step 3: Cross multiply
    14,150.28x = 19,527.78 × 7,863.04
  4. Step 4: Simplify right side
    14,150.28x = 153,547,715.25
  5. Step 5: Solve for x
    x = 153,547,715.25/14,150.28
  6. Step 6: Final answer
    x = 10,851.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.