Home / 15,528.26-21,438.74-10,232.08

Finding the Fourth Proportional to 15,528.26, 21,438.74 and 10,232.08

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Solution

The fourth proportional to 15,528.26, 21,438.74 and 10,232.08 is: 14,126.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,528.26 : 21,438.74 = 10,232.08 : x
  2. Step 2: Convert to fraction form
    15,528.26/21,438.74 = 10,232.08/x
  3. Step 3: Cross multiply
    15,528.26x = 21,438.74 × 10,232.08
  4. Step 4: Simplify right side
    15,528.26x = 219,362,902.78
  5. Step 5: Solve for x
    x = 219,362,902.78/15,528.26
  6. Step 6: Final answer
    x = 14,126.69

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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.