Home / 14,430.92-19,911.28-8,765.51

Finding the Fourth Proportional to 14,430.92, 19,911.28 and 8,765.51

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Solution

The fourth proportional to 14,430.92, 19,911.28 and 8,765.51 is: 12,094.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.92 : 19,911.28 = 8,765.51 : x
  2. Step 2: Convert to fraction form
    14,430.92/19,911.28 = 8,765.51/x
  3. Step 3: Cross multiply
    14,430.92x = 19,911.28 × 8,765.51
  4. Step 4: Simplify right side
    14,430.92x = 174,532,380.57
  5. Step 5: Solve for x
    x = 174,532,380.57/14,430.92
  6. Step 6: Final answer
    x = 12,094.34

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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.