Home / 12,973.72-19,440.66-8,741.20

Finding the Fourth Proportional to 12,973.72, 19,440.66 and 8,741.20

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Solution

The fourth proportional to 12,973.72, 19,440.66 and 8,741.20 is: 13,098.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973.72 : 19,440.66 = 8,741.20 : x
  2. Step 2: Convert to fraction form
    12,973.72/19,440.66 = 8,741.20/x
  3. Step 3: Cross multiply
    12,973.72x = 19,440.66 × 8,741.20
  4. Step 4: Simplify right side
    12,973.72x = 169,934,697.19
  5. Step 5: Solve for x
    x = 169,934,697.19/12,973.72
  6. Step 6: Final answer
    x = 13,098.38

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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.