Home / 19,314.32-28,971.47-10,544.45

Finding the Fourth Proportional to 19,314.32, 28,971.47 and 10,544.45

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Solution

The fourth proportional to 19,314.32, 28,971.47 and 10,544.45 is: 15,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314.32 : 28,971.47 = 10,544.45 : x
  2. Step 2: Convert to fraction form
    19,314.32/28,971.47 = 10,544.45/x
  3. Step 3: Cross multiply
    19,314.32x = 28,971.47 × 10,544.45
  4. Step 4: Simplify right side
    19,314.32x = 305,488,098.35
  5. Step 5: Solve for x
    x = 305,488,098.35/19,314.32
  6. Step 6: Final answer
    x = 15,816.67

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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.