Home / 13,319.07-19,944.45-12,924.90

Finding the Fourth Proportional to 13,319.07, 19,944.45 and 12,924.90

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Solution

The fourth proportional to 13,319.07, 19,944.45 and 12,924.90 is: 19,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.07 : 19,944.45 = 12,924.90 : x
  2. Step 2: Convert to fraction form
    13,319.07/19,944.45 = 12,924.90/x
  3. Step 3: Cross multiply
    13,319.07x = 19,944.45 × 12,924.90
  4. Step 4: Simplify right side
    13,319.07x = 257,780,021.81
  5. Step 5: Solve for x
    x = 257,780,021.81/13,319.07
  6. Step 6: Final answer
    x = 19,354.21

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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.