Home / 14,420.28-21,632.58-4,556.40

Finding the Fourth Proportional to 14,420.28, 21,632.58 and 4,556.40

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Solution

The fourth proportional to 14,420.28, 21,632.58 and 4,556.40 is: 6,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.28 : 21,632.58 = 4,556.40 : x
  2. Step 2: Convert to fraction form
    14,420.28/21,632.58 = 4,556.40/x
  3. Step 3: Cross multiply
    14,420.28x = 21,632.58 × 4,556.40
  4. Step 4: Simplify right side
    14,420.28x = 98,566,687.51
  5. Step 5: Solve for x
    x = 98,566,687.51/14,420.28
  6. Step 6: Final answer
    x = 6,835.28

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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.