Home / 10,468.79-14,449.21-6,439.08

Finding the Fourth Proportional to 10,468.79, 14,449.21 and 6,439.08

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Solution

The fourth proportional to 10,468.79, 14,449.21 and 6,439.08 is: 8,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,468.79 : 14,449.21 = 6,439.08 : x
  2. Step 2: Convert to fraction form
    10,468.79/14,449.21 = 6,439.08/x
  3. Step 3: Cross multiply
    10,468.79x = 14,449.21 × 6,439.08
  4. Step 4: Simplify right side
    10,468.79x = 93,039,712.65
  5. Step 5: Solve for x
    x = 93,039,712.65/10,468.79
  6. Step 6: Final answer
    x = 8,887.34

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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.