Home / 15,441.45-21,311.08-10,069.63

Finding the Fourth Proportional to 15,441.45, 21,311.08 and 10,069.63

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Solution

The fourth proportional to 15,441.45, 21,311.08 and 10,069.63 is: 13,897.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.45 : 21,311.08 = 10,069.63 : x
  2. Step 2: Convert to fraction form
    15,441.45/21,311.08 = 10,069.63/x
  3. Step 3: Cross multiply
    15,441.45x = 21,311.08 × 10,069.63
  4. Step 4: Simplify right side
    15,441.45x = 214,594,662.40
  5. Step 5: Solve for x
    x = 214,594,662.40/15,441.45
  6. Step 6: Final answer
    x = 13,897.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.