Home / 10,620.95-14,656.89-5,906.13

Finding the Fourth Proportional to 10,620.95, 14,656.89 and 5,906.13

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Solution

The fourth proportional to 10,620.95, 14,656.89 and 5,906.13 is: 8,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.95 : 14,656.89 = 5,906.13 : x
  2. Step 2: Convert to fraction form
    10,620.95/14,656.89 = 5,906.13/x
  3. Step 3: Cross multiply
    10,620.95x = 14,656.89 × 5,906.13
  4. Step 4: Simplify right side
    10,620.95x = 86,565,497.74
  5. Step 5: Solve for x
    x = 86,565,497.74/10,620.95
  6. Step 6: Final answer
    x = 8,150.45

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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.