Home / 14,258.38-21,387.86-4,397.67

Finding the Fourth Proportional to 14,258.38, 21,387.86 and 4,397.67

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Solution

The fourth proportional to 14,258.38, 21,387.86 and 4,397.67 is: 6,596.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.38 : 21,387.86 = 4,397.67 : x
  2. Step 2: Convert to fraction form
    14,258.38/21,387.86 = 4,397.67/x
  3. Step 3: Cross multiply
    14,258.38x = 21,387.86 × 4,397.67
  4. Step 4: Simplify right side
    14,258.38x = 94,056,750.29
  5. Step 5: Solve for x
    x = 94,056,750.29/14,258.38
  6. Step 6: Final answer
    x = 6,596.59

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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.