Home / 10,335.66-14,263.18-5,619.93

Finding the Fourth Proportional to 10,335.66, 14,263.18 and 5,619.93

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Solution

The fourth proportional to 10,335.66, 14,263.18 and 5,619.93 is: 7,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335.66 : 14,263.18 = 5,619.93 : x
  2. Step 2: Convert to fraction form
    10,335.66/14,263.18 = 5,619.93/x
  3. Step 3: Cross multiply
    10,335.66x = 14,263.18 × 5,619.93
  4. Step 4: Simplify right side
    10,335.66x = 80,158,073.18
  5. Step 5: Solve for x
    x = 80,158,073.18/10,335.66
  6. Step 6: Final answer
    x = 7,755.49

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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.