Home / 15,244.07-21,036.04-8,437.72

Finding the Fourth Proportional to 15,244.07, 21,036.04 and 8,437.72

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Solution

The fourth proportional to 15,244.07, 21,036.04 and 8,437.72 is: 11,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,244.07 : 21,036.04 = 8,437.72 : x
  2. Step 2: Convert to fraction form
    15,244.07/21,036.04 = 8,437.72/x
  3. Step 3: Cross multiply
    15,244.07x = 21,036.04 × 8,437.72
  4. Step 4: Simplify right side
    15,244.07x = 177,496,163.39
  5. Step 5: Solve for x
    x = 177,496,163.39/15,244.07
  6. Step 6: Final answer
    x = 11,643.62

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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.