Home / 13,646.07-20,470.93-4,763.21

Finding the Fourth Proportional to 13,646.07, 20,470.93 and 4,763.21

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Solution

The fourth proportional to 13,646.07, 20,470.93 and 4,763.21 is: 7,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.07 : 20,470.93 = 4,763.21 : x
  2. Step 2: Convert to fraction form
    13,646.07/20,470.93 = 4,763.21/x
  3. Step 3: Cross multiply
    13,646.07x = 20,470.93 × 4,763.21
  4. Step 4: Simplify right side
    13,646.07x = 97,507,224.22
  5. Step 5: Solve for x
    x = 97,507,224.22/13,646.07
  6. Step 6: Final answer
    x = 7,145.44

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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.