Home / 12,828.88-19,223.88-9,526.60

Finding the Fourth Proportional to 12,828.88, 19,223.88 and 9,526.60

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Solution

The fourth proportional to 12,828.88, 19,223.88 and 9,526.60 is: 14,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828.88 : 19,223.88 = 9,526.60 : x
  2. Step 2: Convert to fraction form
    12,828.88/19,223.88 = 9,526.60/x
  3. Step 3: Cross multiply
    12,828.88x = 19,223.88 × 9,526.60
  4. Step 4: Simplify right side
    12,828.88x = 183,138,215.21
  5. Step 5: Solve for x
    x = 183,138,215.21/12,828.88
  6. Step 6: Final answer
    x = 14,275.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.