Home / 10,335.88-14,263.45-5,620.17

Finding the Fourth Proportional to 10,335.88, 14,263.45 and 5,620.17

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Solution

The fourth proportional to 10,335.88, 14,263.45 and 5,620.17 is: 7,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335.88 : 14,263.45 = 5,620.17 : x
  2. Step 2: Convert to fraction form
    10,335.88/14,263.45 = 5,620.17/x
  3. Step 3: Cross multiply
    10,335.88x = 14,263.45 × 5,620.17
  4. Step 4: Simplify right side
    10,335.88x = 80,163,013.79
  5. Step 5: Solve for x
    x = 80,163,013.79/10,335.88
  6. Step 6: Final answer
    x = 7,755.80

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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.