Home / 13,088.65-19,638.19-4,769.23

Finding the Fourth Proportional to 13,088.65, 19,638.19 and 4,769.23

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Solution

The fourth proportional to 13,088.65, 19,638.19 and 4,769.23 is: 7,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.65 : 19,638.19 = 4,769.23 : x
  2. Step 2: Convert to fraction form
    13,088.65/19,638.19 = 4,769.23/x
  3. Step 3: Cross multiply
    13,088.65x = 19,638.19 × 4,769.23
  4. Step 4: Simplify right side
    13,088.65x = 93,659,044.89
  5. Step 5: Solve for x
    x = 93,659,044.89/13,088.65
  6. Step 6: Final answer
    x = 7,155.75

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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.