Home / 14,346.72-21,501.48-6,443.40

Finding the Fourth Proportional to 14,346.72, 21,501.48 and 6,443.40

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Solution

The fourth proportional to 14,346.72, 21,501.48 and 6,443.40 is: 9,656.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.72 : 21,501.48 = 6,443.40 : x
  2. Step 2: Convert to fraction form
    14,346.72/21,501.48 = 6,443.40/x
  3. Step 3: Cross multiply
    14,346.72x = 21,501.48 × 6,443.40
  4. Step 4: Simplify right side
    14,346.72x = 138,542,636.23
  5. Step 5: Solve for x
    x = 138,542,636.23/14,346.72
  6. Step 6: Final answer
    x = 9,656.75

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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.