Home / 13,607.04-20,412.48-4,839.36

Finding the Fourth Proportional to 13,607.04, 20,412.48 and 4,839.36

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Solution

The fourth proportional to 13,607.04, 20,412.48 and 4,839.36 is: 7,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607.04 : 20,412.48 = 4,839.36 : x
  2. Step 2: Convert to fraction form
    13,607.04/20,412.48 = 4,839.36/x
  3. Step 3: Cross multiply
    13,607.04x = 20,412.48 × 4,839.36
  4. Step 4: Simplify right side
    13,607.04x = 98,783,339.21
  5. Step 5: Solve for x
    x = 98,783,339.21/13,607.04
  6. Step 6: Final answer
    x = 7,259.72

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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.