Home / 13,657.08-20,501.98-9,261.20

Finding the Fourth Proportional to 13,657.08, 20,501.98 and 9,261.20

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Solution

The fourth proportional to 13,657.08, 20,501.98 and 9,261.20 is: 13,902.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657.08 : 20,501.98 = 9,261.20 : x
  2. Step 2: Convert to fraction form
    13,657.08/20,501.98 = 9,261.20/x
  3. Step 3: Cross multiply
    13,657.08x = 20,501.98 × 9,261.20
  4. Step 4: Simplify right side
    13,657.08x = 189,872,937.18
  5. Step 5: Solve for x
    x = 189,872,937.18/13,657.08
  6. Step 6: Final answer
    x = 13,902.89

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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.