Home / 14,320.20-21,480.66-5,557.08

Finding the Fourth Proportional to 14,320.20, 21,480.66 and 5,557.08

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Solution

The fourth proportional to 14,320.20, 21,480.66 and 5,557.08 is: 8,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.20 : 21,480.66 = 5,557.08 : x
  2. Step 2: Convert to fraction form
    14,320.20/21,480.66 = 5,557.08/x
  3. Step 3: Cross multiply
    14,320.20x = 21,480.66 × 5,557.08
  4. Step 4: Simplify right side
    14,320.20x = 119,369,746.07
  5. Step 5: Solve for x
    x = 119,369,746.07/14,320.20
  6. Step 6: Final answer
    x = 8,335.76

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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.