Home / 15,640.31-23,460.27-6,280.16

Finding the Fourth Proportional to 15,640.31, 23,460.27 and 6,280.16

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Solution

The fourth proportional to 15,640.31, 23,460.27 and 6,280.16 is: 9,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.31 : 23,460.27 = 6,280.16 : x
  2. Step 2: Convert to fraction form
    15,640.31/23,460.27 = 6,280.16/x
  3. Step 3: Cross multiply
    15,640.31x = 23,460.27 × 6,280.16
  4. Step 4: Simplify right side
    15,640.31x = 147,334,131.94
  5. Step 5: Solve for x
    x = 147,334,131.94/15,640.31
  6. Step 6: Final answer
    x = 9,420.16

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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.