Home / 15,436.10-23,041.78-13,967.30

Finding the Fourth Proportional to 15,436.10, 23,041.78 and 13,967.30

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Solution

The fourth proportional to 15,436.10, 23,041.78 and 13,967.30 is: 20,849.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.10 : 23,041.78 = 13,967.30 : x
  2. Step 2: Convert to fraction form
    15,436.10/23,041.78 = 13,967.30/x
  3. Step 3: Cross multiply
    15,436.10x = 23,041.78 × 13,967.30
  4. Step 4: Simplify right side
    15,436.10x = 321,831,555.05
  5. Step 5: Solve for x
    x = 321,831,555.05/15,436.10
  6. Step 6: Final answer
    x = 20,849.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.