Home / 14,066.76-21,100.16-5,746.77

Finding the Fourth Proportional to 14,066.76, 21,100.16 and 5,746.77

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Solution

The fourth proportional to 14,066.76, 21,100.16 and 5,746.77 is: 8,620.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,066.76 : 21,100.16 = 5,746.77 : x
  2. Step 2: Convert to fraction form
    14,066.76/21,100.16 = 5,746.77/x
  3. Step 3: Cross multiply
    14,066.76x = 21,100.16 × 5,746.77
  4. Step 4: Simplify right side
    14,066.76x = 121,257,737.75
  5. Step 5: Solve for x
    x = 121,257,737.75/14,066.76
  6. Step 6: Final answer
    x = 8,620.16

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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.