Home / 14,259.00-21,284.06-12,575.64

Finding the Fourth Proportional to 14,259.00, 21,284.06 and 12,575.64

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Solution

The fourth proportional to 14,259.00, 21,284.06 and 12,575.64 is: 18,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.00 : 21,284.06 = 12,575.64 : x
  2. Step 2: Convert to fraction form
    14,259.00/21,284.06 = 12,575.64/x
  3. Step 3: Cross multiply
    14,259.00x = 21,284.06 × 12,575.64
  4. Step 4: Simplify right side
    14,259.00x = 267,660,590.51
  5. Step 5: Solve for x
    x = 267,660,590.51/14,259.00
  6. Step 6: Final answer
    x = 18,771.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.