Home / 14,320.09-19,761.20-7,946.96

Finding the Fourth Proportional to 14,320.09, 19,761.20 and 7,946.96

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Solution

The fourth proportional to 14,320.09, 19,761.20 and 7,946.96 is: 10,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.09 : 19,761.20 = 7,946.96 : x
  2. Step 2: Convert to fraction form
    14,320.09/19,761.20 = 7,946.96/x
  3. Step 3: Cross multiply
    14,320.09x = 19,761.20 × 7,946.96
  4. Step 4: Simplify right side
    14,320.09x = 157,041,446.22
  5. Step 5: Solve for x
    x = 157,041,446.22/14,320.09
  6. Step 6: Final answer
    x = 10,966.51

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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.