Home / 14,258.72-21,389.23-4,262.74

Finding the Fourth Proportional to 14,258.72, 21,389.23 and 4,262.74

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Solution

The fourth proportional to 14,258.72, 21,389.23 and 4,262.74 is: 6,394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.72 : 21,389.23 = 4,262.74 : x
  2. Step 2: Convert to fraction form
    14,258.72/21,389.23 = 4,262.74/x
  3. Step 3: Cross multiply
    14,258.72x = 21,389.23 × 4,262.74
  4. Step 4: Simplify right side
    14,258.72x = 91,176,654.17
  5. Step 5: Solve for x
    x = 91,176,654.17/14,258.72
  6. Step 6: Final answer
    x = 6,394.45

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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.