Home / 14,173.68-21,266.28-7,160.24

Finding the Fourth Proportional to 14,173.68, 21,266.28 and 7,160.24

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Solution

The fourth proportional to 14,173.68, 21,266.28 and 7,160.24 is: 10,743.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173.68 : 21,266.28 = 7,160.24 : x
  2. Step 2: Convert to fraction form
    14,173.68/21,266.28 = 7,160.24/x
  3. Step 3: Cross multiply
    14,173.68x = 21,266.28 × 7,160.24
  4. Step 4: Simplify right side
    14,173.68x = 152,271,668.71
  5. Step 5: Solve for x
    x = 152,271,668.71/14,173.68
  6. Step 6: Final answer
    x = 10,743.27

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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.