Home / 15,389.28-23,083.92-8,810.91

Finding the Fourth Proportional to 15,389.28, 23,083.92 and 8,810.91

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Solution

The fourth proportional to 15,389.28, 23,083.92 and 8,810.91 is: 13,216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,389.28 : 23,083.92 = 8,810.91 : x
  2. Step 2: Convert to fraction form
    15,389.28/23,083.92 = 8,810.91/x
  3. Step 3: Cross multiply
    15,389.28x = 23,083.92 × 8,810.91
  4. Step 4: Simplify right side
    15,389.28x = 203,390,341.57
  5. Step 5: Solve for x
    x = 203,390,341.57/15,389.28
  6. Step 6: Final answer
    x = 13,216.37

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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.