Home / 14,258.65-21,390.40-4,396.09

Finding the Fourth Proportional to 14,258.65, 21,390.40 and 4,396.09

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Solution

The fourth proportional to 14,258.65, 21,390.40 and 4,396.09 is: 6,594.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.65 : 21,390.40 = 4,396.09 : x
  2. Step 2: Convert to fraction form
    14,258.65/21,390.40 = 4,396.09/x
  3. Step 3: Cross multiply
    14,258.65x = 21,390.40 × 4,396.09
  4. Step 4: Simplify right side
    14,258.65x = 94,034,070.06
  5. Step 5: Solve for x
    x = 94,034,070.06/14,258.65
  6. Step 6: Final answer
    x = 6,594.88

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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.