Home / 15,535.68-21,437.64-9,246.84

Finding the Fourth Proportional to 15,535.68, 21,437.64 and 9,246.84

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Solution

The fourth proportional to 15,535.68, 21,437.64 and 9,246.84 is: 12,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.68 : 21,437.64 = 9,246.84 : x
  2. Step 2: Convert to fraction form
    15,535.68/21,437.64 = 9,246.84/x
  3. Step 3: Cross multiply
    15,535.68x = 21,437.64 × 9,246.84
  4. Step 4: Simplify right side
    15,535.68x = 198,230,427.06
  5. Step 5: Solve for x
    x = 198,230,427.06/15,535.68
  6. Step 6: Final answer
    x = 12,759.69

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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.