Home / 13,905.04-20,842.96-6,503.26

Finding the Fourth Proportional to 13,905.04, 20,842.96 and 6,503.26

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Solution

The fourth proportional to 13,905.04, 20,842.96 and 6,503.26 is: 9,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905.04 : 20,842.96 = 6,503.26 : x
  2. Step 2: Convert to fraction form
    13,905.04/20,842.96 = 6,503.26/x
  3. Step 3: Cross multiply
    13,905.04x = 20,842.96 × 6,503.26
  4. Step 4: Simplify right side
    13,905.04x = 135,547,188.05
  5. Step 5: Solve for x
    x = 135,547,188.05/13,905.04
  6. Step 6: Final answer
    x = 9,748.06

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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.