Home / 14,208.32-21,312.59-6,308.71

Finding the Fourth Proportional to 14,208.32, 21,312.59 and 6,308.71

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Solution

The fourth proportional to 14,208.32, 21,312.59 and 6,308.71 is: 9,463.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.32 : 21,312.59 = 6,308.71 : x
  2. Step 2: Convert to fraction form
    14,208.32/21,312.59 = 6,308.71/x
  3. Step 3: Cross multiply
    14,208.32x = 21,312.59 × 6,308.71
  4. Step 4: Simplify right side
    14,208.32x = 134,454,864.83
  5. Step 5: Solve for x
    x = 134,454,864.83/14,208.32
  6. Step 6: Final answer
    x = 9,463.11

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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.