Home / 14,564.08-20,100.72-9,261.28

Finding the Fourth Proportional to 14,564.08, 20,100.72 and 9,261.28

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Solution

The fourth proportional to 14,564.08, 20,100.72 and 9,261.28 is: 12,782.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,564.08 : 20,100.72 = 9,261.28 : x
  2. Step 2: Convert to fraction form
    14,564.08/20,100.72 = 9,261.28/x
  3. Step 3: Cross multiply
    14,564.08x = 20,100.72 × 9,261.28
  4. Step 4: Simplify right side
    14,564.08x = 186,158,396.12
  5. Step 5: Solve for x
    x = 186,158,396.12/14,564.08
  6. Step 6: Final answer
    x = 12,782.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.