Home / 17,947.63-24,767.20-9,989.67

Finding the Fourth Proportional to 17,947.63, 24,767.20 and 9,989.67

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Solution

The fourth proportional to 17,947.63, 24,767.20 and 9,989.67 is: 13,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.63 : 24,767.20 = 9,989.67 : x
  2. Step 2: Convert to fraction form
    17,947.63/24,767.20 = 9,989.67/x
  3. Step 3: Cross multiply
    17,947.63x = 24,767.20 × 9,989.67
  4. Step 4: Simplify right side
    17,947.63x = 247,416,154.82
  5. Step 5: Solve for x
    x = 247,416,154.82/17,947.63
  6. Step 6: Final answer
    x = 13,785.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.