Home / 15,698.00-21,653.63-9,320.26

Finding the Fourth Proportional to 15,698.00, 21,653.63 and 9,320.26

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Solution

The fourth proportional to 15,698.00, 21,653.63 and 9,320.26 is: 12,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698.00 : 21,653.63 = 9,320.26 : x
  2. Step 2: Convert to fraction form
    15,698.00/21,653.63 = 9,320.26/x
  3. Step 3: Cross multiply
    15,698.00x = 21,653.63 × 9,320.26
  4. Step 4: Simplify right side
    15,698.00x = 201,817,414.94
  5. Step 5: Solve for x
    x = 201,817,414.94/15,698.00
  6. Step 6: Final answer
    x = 12,856.25

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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.