Home / 13,281.28-19,916.16-4,958.08

Finding the Fourth Proportional to 13,281.28, 19,916.16 and 4,958.08

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Solution

The fourth proportional to 13,281.28, 19,916.16 and 4,958.08 is: 7,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.28 : 19,916.16 = 4,958.08 : x
  2. Step 2: Convert to fraction form
    13,281.28/19,916.16 = 4,958.08/x
  3. Step 3: Cross multiply
    13,281.28x = 19,916.16 × 4,958.08
  4. Step 4: Simplify right side
    13,281.28x = 98,745,914.57
  5. Step 5: Solve for x
    x = 98,745,914.57/13,281.28
  6. Step 6: Final answer
    x = 7,434.97

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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.