Home / 15,490.90-23,223.29-6,719.21

Finding the Fourth Proportional to 15,490.90, 23,223.29 and 6,719.21

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Solution

The fourth proportional to 15,490.90, 23,223.29 and 6,719.21 is: 10,073.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490.90 : 23,223.29 = 6,719.21 : x
  2. Step 2: Convert to fraction form
    15,490.90/23,223.29 = 6,719.21/x
  3. Step 3: Cross multiply
    15,490.90x = 23,223.29 × 6,719.21
  4. Step 4: Simplify right side
    15,490.90x = 156,042,162.40
  5. Step 5: Solve for x
    x = 156,042,162.40/15,490.90
  6. Step 6: Final answer
    x = 10,073.15

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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.