Home / 13,973.72-20,956.32-6,570.72

Finding the Fourth Proportional to 13,973.72, 20,956.32 and 6,570.72

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Solution

The fourth proportional to 13,973.72, 20,956.32 and 6,570.72 is: 9,854.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.72 : 20,956.32 = 6,570.72 : x
  2. Step 2: Convert to fraction form
    13,973.72/20,956.32 = 6,570.72/x
  3. Step 3: Cross multiply
    13,973.72x = 20,956.32 × 6,570.72
  4. Step 4: Simplify right side
    13,973.72x = 137,698,110.95
  5. Step 5: Solve for x
    x = 137,698,110.95/13,973.72
  6. Step 6: Final answer
    x = 9,854.08

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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.