Home / 14,077.77-21,087.41-6,688.05

Finding the Fourth Proportional to 14,077.77, 21,087.41 and 6,688.05

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Solution

The fourth proportional to 14,077.77, 21,087.41 and 6,688.05 is: 10,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.77 : 21,087.41 = 6,688.05 : x
  2. Step 2: Convert to fraction form
    14,077.77/21,087.41 = 6,688.05/x
  3. Step 3: Cross multiply
    14,077.77x = 21,087.41 × 6,688.05
  4. Step 4: Simplify right side
    14,077.77x = 141,033,619.01
  5. Step 5: Solve for x
    x = 141,033,619.01/14,077.77
  6. Step 6: Final answer
    x = 10,018.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.