Home / 13,374.81-18,460.31-8,898.75

Finding the Fourth Proportional to 13,374.81, 18,460.31 and 8,898.75

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Solution

The fourth proportional to 13,374.81, 18,460.31 and 8,898.75 is: 12,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.81 : 18,460.31 = 8,898.75 : x
  2. Step 2: Convert to fraction form
    13,374.81/18,460.31 = 8,898.75/x
  3. Step 3: Cross multiply
    13,374.81x = 18,460.31 × 8,898.75
  4. Step 4: Simplify right side
    13,374.81x = 164,273,639.12
  5. Step 5: Solve for x
    x = 164,273,639.12/13,374.81
  6. Step 6: Final answer
    x = 12,282.32

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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.