Home / 15,912.16-23,916.12-13,156.48

Finding the Fourth Proportional to 15,912.16, 23,916.12 and 13,156.48

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Solution

The fourth proportional to 15,912.16, 23,916.12 and 13,156.48 is: 19,774.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.16 : 23,916.12 = 13,156.48 : x
  2. Step 2: Convert to fraction form
    15,912.16/23,916.12 = 13,156.48/x
  3. Step 3: Cross multiply
    15,912.16x = 23,916.12 × 13,156.48
  4. Step 4: Simplify right side
    15,912.16x = 314,651,954.46
  5. Step 5: Solve for x
    x = 314,651,954.46/15,912.16
  6. Step 6: Final answer
    x = 19,774.31

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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.